Library of Congress CYAC Subject Headings (January 22, 2024)
LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
APPROVED MONTHLY LIST 01 CYAC (January 22, 2024)


Select this link to view the Summary of Decisions of the editorial meeting.

 
 
CHILDREN'S SUBJECT HEADINGS
 
150
African Americans--Appalachian Region    [Not Subd Geog]    [sp2023050256]
 
 
150
African buffalo CHANGE HEADING
 
150
African buffaloes    [May Subd Geog] CHANGE GEOG    [sp2021055095]
 
053
QL737.U53 (Zoology)
 
053
SK305.A35 (Hunting sports)
 
053
SF401.A34 (Animal culture)
 
450
UF African buffalo [Former heading]
 
450
UF African buffalos
 
450
UF Cape buffalo
 
450
UF Cape buffalos
 
450
UF Cape buffaloes
 
450
UF Syncerus caffer
 
450
UF Syncerus caffer caffer
 
550
BT Antelope family (Mammals)
 
550
BT Buffaloes
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. African buffaloes. 2. Antelope family (Mammals)
 
688
Heading changed from African buffalo to African buffaloes in January 2024.
 
 
150
American beaver CHANGE HEADING
 
150
American beavers    [May Subd Geog] CHANGE GEOG    [sp2021055962]
 
053
QL737.R632 (Zoology)
 
450
UF American beaver [Former heading]
 
450
UF Castor canadensis
 
450
UF North American beavers
 
550
BT Beavers
 
680
When this heading is assigned, the second subject heading Beavers is also assigned, e.g., 1. American beavers. 2. Beavers.
 
 
150
Amstrad Microcomputer CHANGE HEADING
 
150
Amstrad CPC    [May Subd Geog] CHANGE GEOG    [sp2021055784]
 
450
UF Amstrad colour personal computer
 
450
UF Amstrad colour personal computers
 
450
UF Amstrad Micro (Computer)
 
450
UF Amstrad Microcomputer [Former heading]
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Amstrad CPC. 2. Computers.
 
688
Heading changed from Amstrad Microcomputer to Amstrad CPC in January 2024.
 
 
150
Antelopes    [May Subd Geog] CHANGE GEOG    [sp2021053830]
 
053
SF408.6.A56 (Animal culture) ADD FIELD
 
053
SK305.A6 (Hunting sports) ADD FIELD
 
450
UF Antilopinae DELETE FIELD
 
450
UF Antelope ADD FIELD
 
550
BT Bovidae DELETE FIELD
 
550
BT Antelope family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Apple computer CHANGE HEADING
 
150
Apple computers    [May Subd Geog] CHANGE GEOG    [sp2021050028]
 
053
QA76.8.A (Mathematics)
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Apple computers. 2. Computers.
 
688
Heading changed from Apple computer to Apple computers in January 2024.
 
 
150
Atari 400 (Computer) CANCEL HEADING    [sp2021057768]
 
682
This authority record has been deleted because it is covered by the subject heading Atari computers (DLC)sj2021053077
 
 
150
Atari 800 (Computer) CANCEL HEADING    [sp2021057769]
 
682
This authority record has been deleted because it is covered by the subject heading Atari computers (DLC)sj2021053077
 
 
150
Atari computer CHANGE HEADING
 
150
Atari computers    [May Subd Geog] CHANGE GEOG    [sp2021053077]
 
450
UF Atari 400 (Computer) [Former heading]
 
450
UF Atari 800 (Computer) [Former heading]
 
450
UF Atari ST computers [Former heading]
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1.Atari computers. 2. Computers.
 
 
150
Atari ST computers CANCEL HEADING    [sp2021053858]
 
682
This authority record has been deleted because it is covered by the subject heading Atari computers (DLC)sj2021053077
 
 
150
BBC Microcomputer CHANGE HEADING
 
150
BBC Microcomputers    [May Subd Geog] CHANGE GEOG    [sp2021054905]
 
053
QA76.8.B35 (Mathematics)
 
450
UF Acorn/BBC Microcomputers
 
450
UF B.B.C. Microcomputers
 
450
UF BBC Micro (Computer)
 
450
UF Beeb (Computer)
 
450
UF British Broadcasting Corporation Microcomputer
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1.BBC Microcomputers. 2. Computers.
 
688
Heading changed from BBC Microcomputer to BBC Microcomputers in January 2024.
 
 
150
Beavers    [May Subd Geog] CHANGE GEOG    [sp2021052717]
 
053
SF405.B4 (Culture) DELETE FIELD
 
053
QL795.B5 (Animal behavior) ADD FIELD
 
053
SF405.B4 (Animal culture) ADD FIELD
 
450
UF Castor (Mammals) DELETE FIELD
 
450
UF Castoridae DELETE FIELD
 
450
UF Castorids DELETE FIELD
 
450
UF Castor ADD FIELD
 
550
BT Freshwater animals ADD FIELD
 
550
BT Herbivores ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Fur-bearing animals DELETE FIELD
 
681
Example under American beavers ADD FIELD
 
 
150
Bovidae CHANGE HEADING
 
150
Antelope family (Mammals)    [May Subd Geog] CHANGE GEOG    [sp2021055047]
 
053
QL737.U53 (Zoology)
 
450
UF Bovidae [Former heading]
 
450
UF Bovids
 
550
BT Even-toed ungulates
 
550
BT Ruminants
 
681
Example under African buffaloes; Cattle; Chirus; Impalas; Mountain goats; Musk oxen; Water buffaloes; Yaks
 
688
Heading changed from Bovidae to Antelope family (Mammals) in January 2024.
 
 
150
Buffaloes    [May Subd Geog] CHANGE GEOG    [sp2021055665]
 
053
QL795.B8 (Animal behavior) ADD FIELD
 
053
SF997.5.B8 (Animal culture) ADD FIELD
 
450
UF Buffalo ADD FIELD
 
450
UF Buffalos ADD FIELD
 
550
BT Bovidae DELETE FIELD
 
550
BT Antelope family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Calculators    [May Subd Geog] ADD GEOG    [sp 96004963 ]
 
053
HF5541.C3 (Commerce) ADD FIELD
 
053
QA20.C34 (Calculators) ADD FIELD
 
053
QA75 (Mathematics) ADD FIELD
 
450
UF Adding-machines ADD FIELD
 
550
BT Mathematical instruments ADD FIELD
 
550
BT Office equipment and supplies ADD FIELD
 
680
Here are entered works on present-day calculators as well as on calculators and mechanical computers of pre-1945 vintage. Works on modern electronic computers first developed after 1945 are entered under Computers. ADD FIELD
 
 
150
Chinese New Year    [May Subd Geog] CHANGE GEOG    [sp2021054291]
 
053
GT4905 DELETE FIELD
 
053
GT4905-GT4908 (Manners and customs (General)) ADD FIELD
 
450
UF New Year, Chinese DELETE FIELD
 
450
UF Chinese Lunar New Year ADD FIELD
 
450
UF Spring Festival ADD FIELD
 
550
BT Holidays DELETE FIELD
 
550
BT Lunar New Year ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
When this heading is assigned, the subject headings Lunar New Year and Holidays are also assigned, e.g., 1. Chinese New Year. 2. Lunar New Year. 3. Holidays. ADD FIELD
 
 
150
Chiru CHANGE HEADING
 
150
Chirus    [May Subd Geog] CHANGE GEOG    [sp2021060830]
 
053
QL737.U53 (Zoology)
 
450
UF Chiru [Former heading]
 
450
UF Pantholops hodgsonii
 
450
UF Tibetan antelopes
 
550
BT Antelope family (Mammals)
 
550
BT Antelopes
 
550
BT Mountain animals
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Chirus. 2. Antelope family (Mammals)
 
688
Heading changed from Chiru to Chirus in January 2024.
 
 
150
Coming out (Sexual orientation) CHANGE HEADING
 
150
Coming out    [May Subd Geog] CHANGE GEOG    [sp2021052834]
 
450
UF Coming out (Gender identity)
 
450
UF Coming out (Sexual identity)
 
450
UF Coming out (Sexual orientation) [Former heading]
 
550
BT LGBTQ+ people
 
688
Heading changed from Coming out (Sexual orientation) to Coming Out in January 2024.
 
 
150
Computers    [May Subd Geog] ADD GEOG    [sp 96005145 ]
 
053
QA75.5-QA76.95 (Mathematics) ADD FIELD
 
053
TK7885-TK7895 (Electrical engineering) ADD FIELD
 
450
UF Computer hardware ADD FIELD
 
450
UF Computing machines (Computers) ADD FIELD
 
450
UF Home computers ADD FIELD
 
450
UF Micro computers ADD FIELD
 
450
UF Microcomputers [Former heading] ADD FIELD
 
450
UF Mini computers [Former heading] ADD FIELD
 
450
UF Miniature computers ADD FIELD
 
450
UF Personal computers ADD FIELD
 
450
UF Small computers ADD FIELD
 
550
BT Electronics ADD FIELD
 
550
BT Machine theory ADD FIELD
 
681
Example under Amiga computers; Amstrad CPC; Apple computers; Atari computers; BBC Microcomputers; Electron Microcomputer; IBM Personal Computers; Laptop computers; Mac computers; Macintosh computers; Panasonic Jr-200 computers; Raspberry Pi computers; Timex Sinclair computers; TRS-80 computers ADD FIELD
 
 
150
Amiga (Computer) CHANGE HEADING
 
150
Amiga computers    [May Subd Geog] CHANGE GEOG    [sp2021053860]
 
550
BT Commodore computers
 
680
When this heading is assigned, the subject headings Commodore computers and Computers are also assigned, e.g., 1.Amiga computers. 2. Commodore computers. 3. Computers.
 
 
150
Crushes    [May Subd Geog]    [sp2023050254]
 
450
UF Crushes (Infatuation)
 
450
UF Infatuation
 
550
BT Interpersonal relations
 
 
150
Electron Microcomputer    [May Subd Geog] CHANGE GEOG    [sp2021058129]
 
053
QA76.8.E DELETE FIELD
 
550
BT Microcomputers DELETE FIELD
 
550
BT Computers ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Electron Microcomputer. 2. Computers. ADD FIELD
 
 
150
Ethnology--South Africa    [Not Subd Geog]    [sp2023050258]
 
 
150
First loves    [May Subd Geog]    [sp2023050250]
 
550
BT Persons
 
 
150
Garifuna (Caribbean people)    [May Subd Geog] CHANGE GEOG    [sp2021058259]
 
053
F1505.2.C3 (Latin America) ADD FIELD
 
450
UF Black Carib Indians [Former heading] DELETE FIELD
 
450
UF Black Carib Indians ADD FIELD
 
550
BT Racially mixed people--Antilles, Lesser DELETE FIELD
 
550
BT Racially mixed people--Central America DELETE FIELD
 
550
BT Multiracial people--Antilles, Lesser ADD FIELD
 
550
BT Multiracial people--Central America ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Gazelles    [May Subd Geog] CHANGE GEOG    [sp2021056359]
 
053
SF408.6.G37 (Zoo animals) DELETE FIELD
 
053
QL795.G3 (Animal behavior) ADD FIELD
 
053
SF408.6.G37 (Animal culture) ADD FIELD
 
450
UF Gazelle ADD FIELD
 
550
BT Bovidae DELETE FIELD
 
550
BT Antelope family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Gnus CHANGE HEADING
 
150
Wildebeests    [May Subd Geog] CHANGE GEOG    [sp2021054893]
 
053
QL737.U53 (Zoology)
 
450
UF Connochaetes
 
450
UF Gnus [Former heading]
 
450
UF Wildebeast
 
450
UF Wildebeasts
 
450
UF Wildebeest
 
550
BT Antelope family (Mammals)
 
550
BT Antelopes
 
688
Heading changed from Gnus to Wildebeests in January 2024.
 
 
150
Hearing impaired CHANGE HEADING
 
150
Hard of hearing people    [May Subd Geog] CHANGE GEOG    [sp2021053010]
 
053
HV2350-HV2990.5 (Social pathology)
 
450
UF Hearing disorders--Patients
 
450
UF Hearing impaired [Former heading]
 
450
UF Partial hearing people
 
450
UF Partially hearing people
 
550
BT Persons
 
688
Heading changed from Hearing impaired to Hard of hearing people in January 2024.
 
 
150
IBM microcomputers CANCEL HEADING    [sp2021051310]
 
682
This authority record has been deleted because it is covered by the subject heading IBM Personal Computers (DLC)sj2021053775
 
 
150
IBM Personal Computer CHANGE HEADING
 
150
IBM Personal Computers    [May Subd Geog] CHANGE GEOG    [sp2021053775]
 
450
UF IBM microcomputers [Former heading]
 
450
UF IBM 5150 (Computer)
 
450
UF IBM PC (Computer)
 
450
UF Personal Computer, IBM
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1.IBM Personal Computer. 2. Computers.
 
 
150
Impala CHANGE HEADING
 
150
Impalas    [May Subd Geog] CHANGE GEOG    [sp2021060831]
 
053
QL737.U53 (Zoology)
 
450
UF Aepyceros melampus
 
450
UF Impala [Former heading]
 
550
BT Antelope family (Mammals)
 
550
BT Antelopes
 
550
BT Savanna animals
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Impalas. 2. Antelope family (Mammals)
 
688
Heading changed from Impala to Impalas in January 2024.
 
 
150
Korean New Year    [May Subd Geog]    [sp2022050345]
 
053
GT4905-GT4908 (Manners and customs (General))
 
450
UF Korean Lunar New Year
 
450
UF Seollal
 
450
UF Sŏllal
 
550
BT Lunar New Year
 
680
When this heading is assigned, the subject headings Lunar New Year and Holidays are also assigned, e.g., 1. Korean New Year. 2. Lunar New Year. 3. Holidays.
 
 
150
Laptop computers    [May Subd Geog]    [sp2023050263]
 
450
UF Laptops (Computers)
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Laptop computers. 2. Computers.
 
 
150
Love--Fiction    [Not Subd Geog] ADD GEOG    [sp 96005908 ]
 
450
UF Love stories DELETE FIELD
 
680
Here are entered works of fiction that depict love, but do not revolve around a central romantic relationship. Works of fiction that revolve around a central romantic relationship are entered under Romance stories. ADD FIELD
 
681
Note under Romance stories ADD FIELD
 
 
150
Love-hate relationships    [May Subd Geog]    [sp2023050252]
 
450
UF Hate-love relationships
 
550
BT Interpersonal relations
 
 
150
Love triangles    [May Subd Geog]    [sp2023050253]
 
550
BT Interpersonal relations
 
 
150
Lunar New Year    [May Subd Geog]    [sp2023050054]
(C)
053
GT4905-GT4908 (Manners and customs (General))
 
450
UF Lunisolar New Year
 
550
BT New Year
 
680
When this heading is assigned, the second subject heading Holidays is also assigned, e.g., 1. Lunar New Year 2. Holidays.
 
681
Example under Chinese New Year; Korean New Year; Vietnamese New Year
 
 
150
Mac computers    [May Subd Geog]    [sp2024050001]
 
450
UF Mac (Apple computers) [Former heading]
 
450
UF Mac (Computer)
 
550
BT Apple computers
 
680
Here are entered works on Mac computers after 1998. Works on Macintosh computers from 1984-1998, are entered under the heading Macintosh computers
 
680
When this heading is assigned, the subject headings Apple computers and Computers are also assigned, e.g., 1. Mac computers. 2. Apple computers. 3. Computers.
 
 
150
Machine theory    [May Subd Geog]    [sp2023050261]
 
053
QA267-QA268.5 (Mathematics)
 
450
UF Abstract machines
 
450
UF Mathematical machine theory
 
550
BT Algorithms
 
680
Here are entered works on the abstract mathematical models of devices which operate within a consistent logical system in accordance with a given algorithm; the mathematical theory can be used as a basis for design but is not concerned with hardware.
 
 
150
Macintosh (Computer) CHANGE HEADING
 
150
Macintosh computers    [May Subd Geog] CHANGE GEOG    [sp2021055985]
 
053
QA76.8.M3 (Mathematics)
 
450
UF Apple Macintosh (Computer)
 
450
UF Mac (Computer)
 
450
UF Macintosh 128K
 
450
UF Macintosh Classic
 
450
UF Macintosh (Computer) [Former heading]
 
450
UF Macintosh Performa
 
450
UF PowerMac
 
550
BT Apple computers
 
680
Here are entered works on Macintosh computers from 1984-1998. Works on the Mac after 1998, are entered under the heading Mac computers.
 
680
When this heading is assigned, the subject headings Apple computers and Computers are also assigned, e.g., 1. Macintosh computers. 2. Apple computers. 3. Computers.
 
688
Heading changed from Macintosh (Computer) to Macintosh computers in January 2024.
 
 
150
Microcomputers CANCEL HEADING    [sp2021051874]
 
682
This authority record has been deleted because the heading is covered by the subject heading Computers (DLC)sj 96005145
 
 
150
Microprocessors    [May Subd Geog] CHANGE GEOG    [sp2021055806]
 
053
TK7895.M5 (Electrical engineering) ADD FIELD
 
550
BT Minicomputers DELETE FIELD
 
550
BT Computers ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Minicomputers CANCEL HEADING    [sp2021053718]
 
682
This authority record has been deleted because the heading is covered by the subject heading Computers (DLC)sj 96005145
 
 
150
Mountain goat CHANGE HEADING
 
150
Mountain goats    [May Subd Geog] CHANGE GEOG    [sp2021056562]
 
053
QL737.U53 (Zoology)
 
450
UF Oreamnos americanus
 
450
UF Mountain goat [Former heading]
 
450
UF Rocky Mountain goats
 
550
BT Antelope family (Mammals)
 
550
BT Mountain animals
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Mountain goats. 2. Antelope family (Mammals)
 
688
Heading changed from Mountain goat to Mountain goats in January 2024.
 
 
150
Multiracial people--Appalachian Region    [Not Subd Geog]    [sp2023050255]
 
 
150
Multiracial people--Latin America    [Not Subd Geog]    [sp2023050257]
 
 
150
Multiracial people--South Africa    [Not Subd Geog]    [sp2023050259]
 
 
150
Muskox CHANGE HEADING
 
150
Musk oxen    [May Subd Geog] CHANGE GEOG    [sp2021054047]
 
053
QL737.U53 (Zoology)
 
053
SF401.M8 (Animal culture)
 
450
UF Musk ox
 
450
UF Muskox [Former heading]
 
450
UF Muskoxen
 
450
UF Ovibos moschatus
 
550
BT Antelope family (Mammals)
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Musk oxen. 2. Antelope family (Mammals)
 
688
Heading changed from Muskox to Musk oxen in January 2024.
 
 
150
Ocean--Fiction    [Not Subd Geog]    [sp2023050242]
 
 
150
Panasonic Jr-200 (Computer) CHANGE HEADING
 
150
Panasonic Jr-200 computers    [May Subd Geog] CHANGE GEOG    [sp2021058458]
 
450
UF Panasonic Jr-200 (Computer) [Former heading]
 
450
UF Panasonic JR-200U (Computer)
 
450
UF Panasonic Personal Computer (PPC)
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Panasonic Jr-200 computers. 2. Computers.
 
 
150
Racially mixed families CHANGE HEADING
(C)
150
Multiracial families    [May Subd Geog] CHANGE GEOG    [sp2021055817]
 
450
UF Bi-racial families
 
450
UF Biracial families
 
450
UF Interracial families
 
450
UF Mixed race families
 
450
UF Racially mixed families [Former heading]
 
550
BT Families
 
688
Heading changed from Racially mixed families to Multiracial families in January 2024.
 
 
150
Racially mixed people CHANGE HEADING
(C)
150
Multiracial people    [May Subd Geog] CHANGE GEOG    [sp2021051987]
 
450
UF Bi-racial people
 
450
UF Biracial people
 
450
UF Interracial people
 
450
UF Mixed race people
 
450
UF Peoples of mixed descent
 
450
UF Racially mixed people [Former heading]
 
550
BT Ethnic groups
 
688
Heading changed from Racially mixed people to Multiracial people in January 2024.
 
 
150
Racially mixed people--Antilles, Lesser CHANGE HEADING
 
150
Multiracial people--Antilles, Lesser    [Not Subd Geog] ADD GEOG    [sp2022050044]
 
450
UF Racially mixed people--Antilles, Lesser [Former heading]
 
 
150
Racially mixed people--Central America CHANGE HEADING
(C)
150
Multiracial people--Central America    [Not Subd Geog] ADD GEOG    [sp2022050046]
 
450
UF Racially mixed people--Central America [Former heading]
 
 
150
Raspberry Pi computers    [May Subd Geog]    [sp2023050237]
 
053
QA76.8.R15 (Mathematics)
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Raspberry Pi computers. 2. Computers.
 
 
150
Robotics    [May Subd Geog] CHANGE GEOG    [sp2021051645]
 
053
S678.65 (Agriculture) DELETE FIELD
 
053
TJ210.2-TJ211.45 (Mechanical engineering) DELETE FIELD
 
053
S678.65 (Agriculture (General)) ADD FIELD
 
053
TJ210.2-TJ211.495 (Mechanical engineering and machinery) ADD FIELD
 
550
RT Machine theory DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Romance stories    [Not Subd Geog]    [sp2023050249]
 
450
UF Love stories
 
550
BT Fiction
 
680
Here are entered works of fiction that revolve around a central romantic relationship. Works of fiction that depict love, but do not revolve around a central romantic relationship, are entered under Love--Fiction.
 
681
Note under Love--Fiction
 
 
150
Sea stories    [Not Subd Geog]    [sp2021050660]
 
450
UF Ocean--Fiction DELETE FIELD
 
450
UF Ocean--Juvenile fiction DELETE FIELD
 
550
BT Adventure stories DELETE FIELD
 
550
BT Adventure and adventurers--Fiction ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Here are entered works of fiction set predominantly at sea. ADD FIELD
 
 
150
Soft toy making CANCEL HEADING    [sp2021058273]
 
682
This authority record has been deleted because there is no literary warrant in the CYAC catalog.
 
 
150
Summer romance    [May Subd Geog]    [sp2023050251]
 
550
BT Love
 
 
150
Timex 1000 (Computer) CHANGE HEADING
 
150
Timex Sinclair computers    [May Subd Geog] CHANGE GEOG    [sp2021054902]
 
450
UF Sinclair ZX-81 (Computer)
 
450
UF Timex 1000 (Computer) [Former heading]
 
450
UF Timex Sinclair 1500 (Computer)
 
450
UF Timex Sinclair 2068 (Computer)
 
450
UF TS 1000 (Computer)
 
450
UF TS 1500 (Computer)
 
450
UF TS 2068 (Computer)
 
550
BT Computers
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. Timex Sinclair computers. 2. Computers.
 
688
Heading changed from Timex 1000 (Computer) to Timex Sinclair computers in January 2024.
 
 
150
TRS-80 Color Computer CANCEL HEADING    [sp2021051922]
 
682
This authority record has been deleted because the heading is covered by the subject heading TRS-80 computers (DLC)sj2021053785
 
 
150
TRS-80 color computers CANCEL HEADING    [sp2021058106]
 
682
This authority record has been deleted because the heading is covered by the subject heading TRS-80 computers (DLC)sj2021053785
 
 
150
TRS-80 computers    [May Subd Geog] CHANGE GEOG    [sp2021053785]
 
053
QA76.8.T DELETE FIELD
 
450
UF TRS-80 Color Computer (Computer) [Former heading] ADD FIELD
 
450
UF TRS-80 color computers (Computer) [Former heading] ADD FIELD
 
550
BT Microcomputers DELETE FIELD
 
550
BT Computers ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
When this heading is assigned, the second subject heading Computers is also assigned, e.g., 1. TRS-80 computers. 2. Computers. ADD FIELD
 
 
150
Vietnamese New Year    [May Subd Geog]    [sp2021055218]
 
450
UF New Year, Vietnamese DELETE FIELD
 
450
UF Tết ADD FIELD
 
450
UF Vietnamese Lunar New Year ADD FIELD
 
550
BT Holidays DELETE FIELD
 
550
BT Lunar New Year ADD FIELD
 
680
When this heading is assigned, the subject headings Lunar New Year and Holidays are also assigned, e.g., 1. Vietnamese New Year. 2. Lunar New Year. 3. Holidays. ADD FIELD
 
 
150
Water buffalo CHANGE HEADING
 
150
Water buffaloes    [May Subd Geog] CHANGE GEOG    [sp2021055556]
 
053
QL737.U53 (Zoology)
 
053
SF401.W34 (Animal culture)
 
053
SF767.W38 (Veterinary medicine)
 
450
UF Bubalus arnee
 
450
UF Bubalus bubalis
 
450
UF Water buffalo [Former heading]
 
450
UF Water buffalos
 
550
BT Antelope family (Mammals)
 
550
BT Buffaloes
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Water buffaloes. 2. Antelope family (Mammals)
 
688
Heading changed from Water buffalo to Water buffaloes in January 2024.
 
 
150
Yak CHANGE HEADING
 
150
Yaks    [May Subd Geog] CHANGE GEOG    [sp2021052114]
 
053
QL737.U53 (Zoology)
 
053
SF401.Y3 (Animal culture)
 
450
UF Bos grunniens
 
450
UF Yak [Former heading]
 
550
BT Antelope family (Mammals)
 
680
When this heading is assigned, the second subject heading Antelope family (Mammals) is also assigned, e.g., 1. Yaks. 2. Antelope family (Mammals)
 
688
Heading changed from Yak to Yaks in January 2024.