LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
APPROVED MONTHLY LIST 01 CYAC (January 18, 2022)


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

 
 
GENRE/FORM TERMS
 
 
CHILDREN'S SUBJECT HEADINGS
 
150
Amusements    [May Subd Geog] ADD GEOG    [sp 96004762 ]
 
450
UF Children--Recreation ADD FIELD
 
450
UF Entertainments ADD FIELD
 
450
UF Pastimes ADD FIELD
 
450
UF Recreations ADD FIELD
 
550
RT Entertaining ADD FIELD
 
550
RT Games ADD FIELD
 
550
RT Play ADD FIELD
 
550
RT Recreation ADD FIELD
 
 
150
Anaconda CHANGE HEADING
 
150
Green anacondas    [May Subd Geog] CHANGE GEOG    [sp2021054451]
 
053
QL666.O63
 
450
UF Anaconda [Former heading]
 
450
UF Eunectes murinus
 
450
UF Giant anacondas
 
450
UF Sucuri
 
450
UF Water boas
 
450
UF Water kamudi
 
550
BT Anacondas
 
680
When this heading is used, the second subject heading Anacondas is assigned, e.g., 1. Green Anacondas. 2. Anacondas.
 
 
150
Anacondas    [May Subd Geog]    [sp2021061741]
 
053
QL666.O63
 
450
UF Eunectes
 
550
BT Snakes
 
681
Example under Green anacondas
 
 
150
Animated films    [May Subd Geog] ADD GEOG    [sp 96004798 ]
 
053
NC1765-NC1766.5 (Drawing) ADD FIELD
 
450
UF Animated cartoons (Motion pictures) ADD FIELD
 
450
UF Cartoons, Animated (Motion pictures) ADD FIELD
 
450
UF Motion picture cartoons ADD FIELD
 
550
BT Cartoons and comics ADD FIELD
 
550
BT Motion pictures ADD FIELD
 
680
Here are entered works on films that create the illusion of movement in drawings, clay, inanimate objects, or the like, through an animation technique. Works on the technical aspects of making animated films, television programs, or videos are entered under Animation (Cinematography). ADD FIELD
 
681
Note under Animation (Cinematography) ADD FIELD
 
 
150
Animation (Cinematography)    [May Subd Geog] ADD GEOG    [sp 96004799 ]
 
053
TR897.5-TR897.77 ADD FIELD
 
450
UF Animated films--Technique ADD FIELD
 
550
BT Cinematography ADD FIELD
 
550
RT Animated television programs ADD FIELD
 
680
Here are entered works on the technical aspects of making animated films, television programs, or videos. Works on motion pictures, television programs, or videos that create the illusion of movement in drawings, clay, inanimate objects, or the like, through an animation technique, are entered under Animated films or Animated television programs. ADD FIELD
 
681
Notes under Animated films; Animated television programs ADD FIELD
 
 
150
Aphasia    [May Subd Geog]    [sp2021061738]
(A)
053
RC425-RC425.7 (General)
 
053
RJ496.A6 (Pediatrics)
 
550
BT Brain--Diseases
 
550
BT Language disorders
 
550
BT Speech disorders
 
 
150
Atheism    [May Subd Geog] CHANGE GEOG    [sp2021061212]
 
550
RT Agnosticism DELETE FIELD
 
550
RT Irreligion DELETE FIELD
 
550
RT Secularism DELETE FIELD
 
550
RT Theism DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Bearded dragons (Reptiles)    [May Subd Geog] CHANGE GEOG    [sp2021059276]
 
450
UF Pogona [Former heading] DELETE FIELD
 
450
UF Pogona ADD FIELD
 
550
BT Agamidae DELETE FIELD
 
550
BT Lizards ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Black mamba CHANGE HEADING
 
150
Black mambas    [May Subd Geog] CHANGE GEOG    [sp2021060549]
 
053
QL666.O64 (Zoology)
 
450
UF Black mamba [Former heading]
 
450
UF Dendroapsis polylepis
 
550
BT Mambas
 
680
When this heading is used, the second subject heading Mambas is assigned, e.g., 1. Black mambas. 2. Mambas.
 
 
150
Boa constrictor CHANGE HEADING
 
150
Boa constrictors    [May Subd Geog] CHANGE GEOG    [sp2021052100]
 
053
QL666.O63 (Zoology)
 
450
UF Boa constrictor [Former heading]
 
550
BT Snakes
 
680
When this heading is used, the second subject heading Snakes is assigned, e.g., 1. Boa constrictors. 2. Snakes.
 
 
150
Bones--Diseases    [May Subd Geog]    [sp2022050003]
 
053
RC930-RC931
 
450
UF Bone diseases
 
 
150
Brain--Diseases    [May Subd Geog]    [sp2021061739]
 
053
RC386-RC395
 
450
UF Brain diseases
 
 
150
Brittle bone disease    [May Subd Geog]    [sp2022050002]
(A)
053
RC931.O68 (Internal medicine)
 
053
RJ482.O82 (Pediatrics)
 
450
UF Fragilitas Ossium
 
450
UF Lobstein Disease
 
450
UF Lobstein's Disease
 
450
UF Osteogenesis imperfecta
 
550
BT Bones--Diseases
 
680
When this heading is used on nonfiction works, the second subject heading Diseases is assigned, e.g., 1. Brittle bone disease. 2. Diseases.
 
 
150
Cartooning    [May Subd Geog] CHANGE GEOG    [sp2021050556]
 
550
BT Caricature DELETE FIELD
 
550
BT Caricatures and cartoons DELETE FIELD
 
550
BT Wit and humor, Pictorial DELETE FIELD
 
550
BT Cartoons and comics ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Children's parties CANCEL HEADING    [sp2021060289]
 
682
This authority record has been deleted because the heading is covered by the subject heading Parties (DLC)sj 96006010
 
 
150
Clams    [May Subd Geog] CHANGE GEOG    [sp2021053613]
 
550
BT Bivalves DELETE FIELD
 
550
BT Mollusks ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Cobras    [May Subd Geog] CHANGE GEOG    [sp2021053995]
 
450
UF Naja [Former heading] DELETE FIELD
 
450
UF Naja ADD FIELD
 
550
BT Elapidae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Egyptian cobras; King cobras ADD FIELD
 
 
150
Comic books, strips, etc. CANCEL HEADING    [sp2021053039]
 
682
This authority record has been deleted because the heading is covered by the subject heading Cartoons and comics (DLC)sj 96004988
 
 
150
Cooking (Plantain bananas)    [May Subd Geog]    [sp2021061676]
 
450
UF Cooking with plantain bananas
 
450
UF Plantain bananas--Use in cooking
 
550
BT Cooking (Fruit)
 
 
150
Coral snakes    [May Subd Geog] CHANGE GEOG    [sp2021057790]
 
550
BT Elapidae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Corals    [May Subd Geog] CHANGE GEOG    [sp2021050672]
 
450
UF Lithophytes DELETE FIELD
 
550
BT Anthozoa DELETE FIELD
 
550
BT Cnidarians ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Sea slugs    [May Subd Geog] ADD GEOG    [sp 96006091 ]
 
450
UF Nudibranchs ADD FIELD
 
450
UF Phanerobranchia ADD FIELD
 
550
BT Mollusks ADD FIELD
 
 
150
Cryptozoa    [May Subd Geog] CHANGE GEOG    [sp2021054637]
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Cetaceans    [May Subd Geog] ADD GEOG    [sp 96005007 ]
(C)
550
BT Mammals ADD FIELD
 
 
150
Sea anemones    [May Subd Geog] CHANGE GEOG    [sp2021057646]
 
450
UF Actinarians ADD FIELD
 
550
BT Hexacorallia DELETE FIELD
 
550
BT Cnidarians ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Abalones    [May Subd Geog] CHANGE GEOG    [sp2021057880]
 
450
UF Ear-shells DELETE FIELD
 
450
UF Ear shells ADD FIELD
 
550
BT Archaeogastropoda DELETE FIELD
 
550
BT Mollusks ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Mussels    [May Subd Geog] CHANGE GEOG    [sp2021054415]
 
550
BT Bivalves DELETE FIELD
 
550
BT Mollusks ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Corn snake CHANGE HEADING
 
150
Corn snakes    [May Subd Geog] CHANGE GEOG    [sp2021057139]
 
053
QL666.O636
 
450
UF Corn snake [Former heading]
 
450
UF Eastern corn snakes
 
450
UF Elaphe guttata
 
450
UF Pantherophis guttatus
 
450
UF Red rat snakes
 
550
BT Snakes
 
680
When this heading is used, the second subject heading Snakes is assigned, e.g., 1. Corn snakes. 2. Snakes.
 
 
150
Desert iguana CHANGE HEADING
 
150
Desert iguanas    [May Subd Geog] CHANGE GEOG    [sp2021058874]
 
053
QL666.L25 (Zoology)
 
450
UF Crested lizards
 
450
UF Desert iguana [Former heading]
 
450
UF Dipsosaurus dorsalis
 
550
BT Iguanas
 
680
When this heading is used, the second subject heading Iguanas is assigned, e.g., 1. Desert iguanas. 2. Iguanas.
 
 
150
Egyptian cobra CHANGE HEADING
 
150
Egyptian cobras    [May Subd Geog] CHANGE GEOG    [sp2021061017]
 
053
QL666.O64 (Zoology)
 
450
UF Egyptian cobra [Former heading]
 
450
UF Naja haje
 
550
BT Cobras
 
680
When this heading is used, the second subject heading Cobras is assigned, e.g., 1. Egyptian cobras. 2. Cobras.
 
 
150
Emperors CANCEL HEADING    [sp2021059946]
 
682
This authority record has been deleted because the heading is covered by the subject heading Kings, queens, rulers, etc. (DLC)sj 96005838
 
 
150
Entertaining    [May Subd Geog] ADD GEOG    [sp 96005413 ]
 
053
BJ2021-BJ2078 (Etiquette) ADD FIELD
 
053
GV1470-GV1511 (Amusements) ADD FIELD
 
053
TX731 (Cooking) ADD FIELD
 
450
UF Guests, Entertaining ADD FIELD
 
450
UF House guests, Entertaining ADD FIELD
 
450
UF Houseguests, Entertaining ADD FIELD
 
550
RT Parties DELETE FIELD
 
550
BT Etiquette ADD FIELD
 
550
BT Home economics ADD FIELD
 
550
RT Amusements ADD FIELD
 
 
150
Free thought    [May Subd Geog]    [sp2022050001]
(A)
053
BL2700-BL2790
 
450
UF Freethought
 
450
UF Thought, Free
 
550
RT Atheism
 
550
RT Skepticism
 
 
150
Frilled lizard CHANGE HEADING
 
150
Frilled lizards    [May Subd Geog] CHANGE GEOG    [sp2021061188]
 
053
QL666.L223 (Zoology)
 
450
UF Chlamydosaurus kingii
 
450
UF Frilled lizard [Former heading]
 
550
BT Lizards
 
680
When this heading is used, the second subject heading Lizards is assigned, e.g., 1. Frilled lizards. 2. Lizards.
 
 
150
Garter snakes    [May Subd Geog] CHANGE GEOG    [sp2021055430]
 
450
UF Garden snakes ADD FIELD
 
450
UF Grass snakes ADD FIELD
 
550
BT Colubridae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Geckos    [May Subd Geog] CHANGE GEOG    [sp2021052464]
 
550
BT Squamata DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Gila monster CHANGE HEADING
 
150
Gila monsters    [May Subd Geog] CHANGE GEOG    [sp2021057899]
 
053
QL666.L247
 
450
UF Gila monster [Former heading]
 
450
UF Heloderma suspectum
 
550
BT Lizards
 
680
When this heading is used, the second subject heading Lizards is assigned, e.g., 1. Gila monsters. 2. Lizards.
 
 
150
Goofy (Fictitious character) CANCEL HEADING    [sp 96005629 ]
 
682
This authority record has been deleted because the subject heading is covered by an identical name heading (no2016158236)
 
 
150
Harley-Davidson motorcycle CHANGE HEADING
 
150
Harley-Davidson motorcycles    [Not Subd Geog]    [sp2021053755]
 
053
TL448.H3
 
450
UF Harley-Davidson motorcycle [Former heading]
 
550
BT Motorcycles
 
 
150
Haunted houses    [May Subd Geog] CHANGE GEOG    [sp2021050302]
 
450
UF Houses, Haunted ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Note under Haunted houses (Amusements) ADD FIELD
 
 
150
Haunted houses (Amusements)    [May Subd Geog]    [sp2021061737]
(A)
450
UF Haunted attractions
 
450
UF Houses, Haunted (Amusements)
 
550
RT Halloween
 
550
BT Amusements
 
680
Here are entered works on displays created for the purpose of scaring guests, usually at Halloween. Works on houses believed to be actually haunted are entered under Haunted houses
 
681
Note under Haunted houses
 
 
150
Horned toads    [May Subd Geog] CHANGE GEOG    [sp2021054384]
 
550
BT Phrynosomatidae DELETE FIELD
 
550
BT Lizards ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Indians    [Not Subd Geog] ADD GEOG    [sp 96005725 ]
 
053
E51-E99 ADD FIELD
 
450
UF Aborigines, American ADD FIELD
 
450
UF American aborigines ADD FIELD
 
450
UF American Indians ADD FIELD
 
450
UF Amerindians ADD FIELD
 
450
UF Amerinds ADD FIELD
 
450
UF Pre-Columbian Indians ADD FIELD
 
450
UF Precolumbian Indians ADD FIELD
 
550
BT Ethnology--America ADD FIELD
 
550
BT Indigenous peoples--America ADD FIELD
 
680
Here are entered works on the indigenous peoples of the Western Hemisphere, including Eskimos. Works on citizens of India who are not currently residing in lndia are entered under East Indians. ADD FIELD
 
680
For convenience, the Western Hemisphere has been divided into five basic geographical regions: North America, Mexico, Central America, West Indies and South America. Works pertaining to Indian groups located within the confines of one of these regions are entered under Indians of the pertinent region, e.g. Indians of North America; Indians of Mexico. ADD FIELD
 
681
Note under East Indians ADD FIELD
 
681
Example under Indians of North America; Indians of Mexico ADD FIELD
 
 
150
Indigenous peoples    [May Subd Geog] CHANGE GEOG    [sp2021056107]
 
450
UF Adivasis [Former heading] DELETE FIELD
 
450
UF Native races [Former heading] DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Indigenous peoples--America    [sp2021061733]
 
 
150
King cobra CHANGE HEADING
 
150
King cobras    [May Subd Geog] CHANGE GEOG    [sp2021057908]
 
053
QL666.O64
 
450
UF Hamadryad
 
450
UF Hamadryas hannah
 
450
UF King cobra [Former heading]
 
450
UF Ophiophagus hannah
 
550
BT Cobras
 
680
When this heading is used, the second subject heading Cobras is assigned, e.g., 1. King cobras. 2. Cobras.
 
681
Example under Poisonous snakes
 
 
150
Leopard gecko CHANGE HEADING
 
150
Leopard geckos    [May Subd Geog] CHANGE GEOG    [sp2021059327]
 
053
QL666.L24
 
450
UF Eublepharis macularius
 
450
UF Fat-tailed geckos, Indian
 
450
UF Fat-tailed geckos, Pakistani
 
450
UF Indian fat-tailed geckos
 
450
UF Leopard gecko [Former heading]
 
450
UF Pakistani fat-tailed geckos
 
550
BT Lizards
 
680
When this heading is used, the second subject heading Lizards is assigned, e.g., 1. Leopard geckos. 2. Lizards.
 
 
150
Limpets    [May Subd Geog] CHANGE GEOG    [sp2021059156]
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Lizards    [May Subd Geog] CHANGE GEOG    [sp2021050663]
 
450
UF Sauria [Former heading] DELETE FIELD
 
450
UF Sauria ADD FIELD
 
550
BT Squamata DELETE FIELD
 
550
BT Reptiles ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Frilled lizards; Gila monsters; Komodo dragons; Leopard geckos; Mexican beaded lizards ADD FIELD
 
 
150
Anoles    [May Subd Geog] ADD GEOG    [sp 96004802 ]
 
053
QL666.L268 (Zoology) ADD FIELD
 
450
UF American chameleon DELETE FIELD
 
450
UF Anolis carolinensis DELETE FIELD
 
450
UF Chameleon, American DELETE FIELD
 
450
UF Anolis ADD FIELD
 
550
RT Chameleons DELETE FIELD
 
550
BT Lizards ADD FIELD
 
681
Example under Green anoles ADD FIELD
 
 
150
Green anoles    [May Subd Geog]    [sp2021061742]
 
053
QL666.L28 (Zoology)
 
450
UF American chameleons
 
450
UF Anolis carolinensis
 
450
UF Chameleons, American
 
550
BT Anoles
 
680
When this heading is used, the second subject heading Anoles is assigned, e.g., 1. Green anoles. 2. Anoles.
 
 
150
Chameleons    [May Subd Geog] ADD GEOG    [sp 96005008 ]
 
053
QL666.L23 (Zoology) ADD FIELD
 
450
UF Chamaeleonidae ADD FIELD
 
450
UF Chamaeleontidae ADD FIELD
 
550
RT Anoles DELETE FIELD
 
550
BT Lizards ADD FIELD
 
 
150
Mail order brides    [May Subd Geog] CHANGE GEOG    [sp2021057633]
 
550
BT Foreign spouses DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Mambas    [May Subd Geog] CHANGE GEOG    [sp2021056958]
 
550
BT Elapidae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Black mambas ADD FIELD
 
 
150
Mexican beaded lizard CHANGE HEADING
 
150
Mexican beaded lizards    [May Subd Geog] CHANGE GEOG    [sp2021057900]
 
053
QL666.L247
 
450
UF Beaded lizard, Mexican
 
450
UF Heloderma horridum
 
450
UF Mexican beaded lizard [Former heading]
 
550
BT Lizards
 
680
When this heading is used, the second subject heading Lizards is assigned, e.g., 1. Mexican beaded lizards. 2. Lizards.
 
 
150
Monitor lizards    [May Subd Geog] CHANGE GEOG    [sp2021056544]
 
550
BT Squamata DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Pharaohs CANCEL HEADING    [sp2021058763]
 
682
This authority record has been deleted because the heading is covered by the subject heading Kings, queens, rulers, etc. (DLC)sj 96005838
 
 
150
Pinatas    [May Subd Geog] CHANGE GEOG    [sp2021052197]
 
550
BT Children's parties DELETE FIELD
 
550
BT Parties ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Plantain bananas    [May Subd Geog]    [sp2021061675]
 
053
QK495.M78 (Botany)
 
053
SB379.B2 (Culture)
 
450
UF Adam's bananas
 
450
UF Cooking bananas (Fruit)
 
450
UF Horse bananas
 
450
UF Musa paradisiaca
 
550
BT Bananas
 
 
150
Pythons    [May Subd Geog] CHANGE GEOG    [sp2021051960]
 
450
UF Pythoninae DELETE FIELD
 
550
BT Squamata DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Queens CANCEL HEADING    [sp2021060126]
 
682
This authority record has been deleted because the heading is covered by the subject heading Kings, queens, rulers, etc. (DLC)sj 96005838
 
 
150
Racer snake CHANGE HEADING
 
150
Racer snakes    [May Subd Geog] CHANGE GEOG    [sp2021059627]
 
053
QL666.O636 (Zoology)
 
450
UF Coluber constrictor
 
450
UF Eastern racer snakes
 
450
UF North American racer snakes
 
450
UF Racer snake [Former heading]
 
550
BT Snakes
 
680
When this heading is used, the second subject heading Snakes is assigned, e.g., 1. Racer snakes. 2. Snakes.
 
 
150
Riding toys    [May Subd Geog]    [sp2021061731]
 
450
UF Ride-on toys
 
550
BT Toys
 
 
150
Sea snakes    [May Subd Geog] CHANGE GEOG    [sp2021055162]
 
450
UF Hydrophidae [Former heading] DELETE FIELD
 
450
UF Marine snakes DELETE FIELD
 
450
UF Hydrophidae ADD FIELD
 
550
BT Elapidae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Skepticism    [May Subd Geog]    [sp2022050007]
 
053
B779 (Renaissance philosophy)
 
053
B837 (General)
 
450
UF Scepticism
 
450
UF Unbelief
 
550
RT Belief and doubt
 
550
RT Free thought
 
 
150
Skinks    [May Subd Geog] CHANGE GEOG    [sp2021056027]
 
450
UF Scincidae [Former heading] DELETE FIELD
 
450
UF Scincidae ADD FIELD
 
550
BT Squamata DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Slugs (Mollusks)    [May Subd Geog] CHANGE GEOG    [sp2021052720]
 
053
QL430.4 DELETE FIELD
 
053
QL430.4-QL430.5 ADD FIELD
 
550
BT Pulmonata DELETE FIELD
 
550
BT Mollusks ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Green snakes    [May Subd Geog] CHANGE GEOG    [sp2021059140]
 
450
UF Opheodrys [Former heading] DELETE FIELD
 
450
UF Greensnakes ADD FIELD
 
450
UF Opheodrys ADD FIELD
 
550
BT Colubridae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Hognose snakes    [May Subd Geog] CHANGE GEOG    [sp2021059606]
 
450
UF Blow vipers DELETE FIELD
 
450
UF Blowing adders DELETE FIELD
 
450
UF Flatheaded adders DELETE FIELD
 
450
UF Hissing adders DELETE FIELD
 
450
UF Puffing adders DELETE FIELD
 
450
UF Blow snakes ADD FIELD
 
550
BT Colubridae DELETE FIELD
 
550
BT Snakes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
King snakes    [May Subd Geog] ADD GEOG    [sp 96005837 ]
 
053
QL666.O636 ADD FIELD
 
450
UF Kingsnakes ADD FIELD
 
450
UF Milk snakes ADD FIELD
 
450
UF Milksnakes ADD FIELD
 
550
BT Snakes ADD FIELD
 
 
150
Water moccasin CHANGE HEADING
 
150
Water moccasins    [May Subd Geog] ADD GEOG    [sp 96006362 ]
 
053
QL666.O69
 
450
UF Agkistrodon piscivorus
 
450
UF Ancistrodon piscivorus
 
450
UF Cottonmouth
 
450
UF Cottonmouth moccasin
 
450
UF Eastern cottonmouth
 
450
UF Northern cottonmouth
 
450
UF Water moccasin [Former heading]
 
550
BT Pit vipers
 
680
When this heading is used, the second subject heading Pit vipers is assigned, e.g., 1. Water moccasins. 2. Pit vipers.
 
 
150
Rattlesnakes    [May Subd Geog] CHANGE GEOG    [sp2021052975]
 
550
BT Viperidae DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Poisonous snakes DELETE FIELD
 
681
Example under Poisonous snakes; Timber rattlesnakes; Western diamondback rattlesnakes ADD FIELD
 
 
150
Taipans (Reptiles)    [May Subd Geog] ADD GEOG    [sp2001005202]
 
053
QL666.O64 ADD FIELD
 
550
BT Snakes ADD FIELD
 
 
150
Timber rattlesnake CHANGE HEADING
 
150
Timber rattlesnakes    [May Subd Geog] CHANGE GEOG    [sp2021055119]
 
053
QL666.O69
 
450
UF Banded rattlesnakes
 
450
UF Crotalus atricaudatus
 
450
UF Crotalus horridus
 
450
UF Crotalus horridus horridus
 
450
UF Timber rattlesnake [Former heading]
 
550
BT Rattlesnakes
 
680
When this heading is used, the second subject heading Rattlesnakes is assigned, e.g., 1. Timber rattlesnakes. 2. Rattlesnakes.
 
 
150
Western diamondback rattlesnake CHANGE HEADING
 
150
Western diamondback rattlesnakes    [May Subd Geog] CHANGE GEOG    [sp2021058377]
 
053
QL666.O69
 
450
UF Crotalus atrox
 
450
UF Western diamond-back rattlesnakes
 
450
UF Western diamondback rattlesnake [Former heading]
 
550
BT Rattlesnakes
 
680
When this heading is used, the second subject heading Rattlesnakes is assigned, e.g., 1. Western diamondback rattlesnakes. 2. Rattlesnakes.
 
 
 
MEDIUM OF PERFORMANCE TERMS