LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
TENTATIVE MONTHLY LIST 03 CYAC (April 8, 2026)
The proposed headings on this list are NOT YET APPROVED and not yet available for use in current cataloging.
Send all comments on this list to the CYAC Program - Email: cyacprog@loc.gov
"(A)" indicates pre-approved proposals for material in Priority 1. "(C)" indicates proposals submitted by libraries in the Subject Authority Cooperative Program (SACO).
 
 
CHILDREN'S SUBJECT HEADINGS
 
150
Appalachian Region    [May Subd Geog]    [sp2026050059]
 
450
UF Appalachia
 
450
UF Appalachian Mountains Region
 
 
150
Authors, Argentine CHANGE HEADING
 
150
Argentine authors    [May Subd Geog] CHANGE GEOG    [sp2021057033]
 
450
UF Argentinian authors
 
450
UF Authors, Argentine [Former heading]
 
450
UF Authors, Argentinian
 
550
BT Authors
 
688
Heading changed from Authors, Argentine to Argentine authors in March 2026.
 
 
150
Authors, English CHANGE HEADING
 
150
English authors    [May Subd Geog] CHANGE GEOG    [sp2021051160]
 
450
UF Authors, English [Former heading]
 
550
BT Authors
 
688
Heading changed from Authors, English to English authors in March 2026.
 
 
150
Beetles    [May Subd Geog] CHANGE GEOG    [sp2021052352]
 
053
SB945.B424 (Plant culture) ADD FIELD
 
053
SF459.B43 (Animal culture) ADD FIELD
 
450
UF Weevils DELETE FIELD
 
550
RT Coleopterology DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Black rats    [May Subd Geog]    [sp2026050049]
 
053
QL737.R666 (Zoology)
 
450
UF Black rat
 
450
UF House rats
 
450
UF Rattus rattus
 
450
UF Roof rats
 
450
UF Ship rats
 
550
BT Mouse family (Mammals)
 
550
BT Rats
 
680
When this heading is assigned, the second subject heading Mouse family (Mammals) is also assigned: 1. Black rats. 2. Mouse family (Mammals)
 
 
150
Burying beetles CHANGE HEADING
 
150
Carrion beetles    [May Subd Geog] CHANGE GEOG    [sp2021056786]
 
053
QL596.S5 (Zoology)
 
450
UF Burying beetles [Former heading]
 
450
UF Large carrion beetles
 
450
UF Silphidae
 
450
UF Silphidae beetles
 
450
UF Silphids
 
550
BT Beetles
 
688
Heading changed from Burying beetles to Carrion beetles in March 2026.
 
 
150
Click beetles    [May Subd Geog]    [sp2024050122]
 
053
QL596.E4 (Zoology)
 
450
UF Elateridae
 
450
UF Elaterids
 
450
UF Elaters
 
450
UF Jacksnappers
 
450
UF Skipjacks (Insects)
 
450
UF Snap bugs
 
450
UF Snapping beetles
 
450
UF Spring beetles
 
450
UF Typical click beetles
 
550
BT Beetles
 
 
150
Darkling beetles    [May Subd Geog]    [sp2025050119]
 
053
QL596.T2 (Zoology)
 
450
UF Tenebrionid beetles
 
450
UF Tenebrionidae
 
450
UF Tenebrionids
 
450
UF Tenebs
 
550
BT Beetles
 
550
BT Nocturnal animals
 
 
150
Meal worms CHANGE HEADING
 
150
Mealworms    [May Subd Geog] CHANGE GEOG    [sp2021056715]
 
450
UF Darkling beetles--Larvae
 
450
UF False wireworms
 
450
UF Meal worms [Former heading]
 
550
BT Darkling beetles
 
688
Heading changed from Meal worms to Mealworms in March 2026.
 
 
150
Diving beetles    [May Subd Geog]    [sp2024050120]
 
053
QL596.D9 (Zoology)
 
450
UF Dytiscidae
 
450
UF Dytiscids
 
450
UF Predaceous diving beetles
 
450
UF True water beetles
 
550
BT Beetles
 
550
BT Predatory insects
 
550
BT Water beetles
 
 
150
Ethnology--Chile    [Not Subd Geog]    [sp2026050056]
 
 
150
Chileans    [May Subd Geog]    [sp2026050057]
 
550
BT Ethnology--Chile
 
 
150
Fireflies    [May Subd Geog] CHANGE GEOG    [sp2021051093]
 
053
QL795.F65 (Animal behavior) ADD FIELD
 
450
UF Glow-worms (Lampyridae) DELETE FIELD
 
450
UF Malacodermidae DELETE FIELD
 
450
UF Telephoridae DELETE FIELD
 
450
UF Firefly ADD FIELD
 
450
UF Glow worms (Lampyridae) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Folk art    [May Subd Geog] CHANGE GEOG    [sp2021050991]
 
053
N5312-N5313 DELETE FIELD
 
053
N5312-N5313 (Visual arts) ADD FIELD
 
450
UF Peasant art DELETE FIELD
 
450
UF Popular art DELETE FIELD
 
550
RT Art, Primitive DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Alebrijes    [May Subd Geog]    [sp2026050008]
 
550
BT Mexican folk art
 
 
150
Mexican folk art    [May Subd Geog]    [sp2026050051]
 
450
UF Artesanía
 
450
UF Folk art, Mexican
 
550
BT Folk art
 
 
150
Bodhidharma dolls CHANGE HEADING
 
150
Daruma dolls    [May Subd Geog] CHANGE GEOG    [sp2021061093]
 
450
UF Bodhidharma dolls [Former heading]
 
450
UF Dharma doll
 
550
BT Dolls
 
550
BT Japanese folk art
 
550
BT Talismans
 
688
Heading changed from Bodhidharma dolls to Daruma dolls in March 2026.
 
 
150
Japanese folk art    [May Subd Geog]    [sp2026050055]
 
450
UF Folk art, Japanese
 
450
UF Mingei
 
550
BT Folk art
 
 
150
Fossas    [May Subd Geog]    [sp2025050337]
 
053
QL737.C28 (Zoology)
 
450
UF Cryptoprocta ferox
 
450
UF Fossa
 
450
UF Foussas
 
550
BT Carnivores
 
680
When this heading is assigned, the second subject heading Carnivores is also assigned: 1. Fossas. 2. Carnivores.
 
 
150
German Jews    [May Subd Geog]    [sp2025050286]
(A)
450
UF Jews, German
 
550
BT Jews
 
680
Here are entered works on German Jews outside Germany. Works on Jewish Germans in Germany are entered under Jews--Germany.
 
681
Note under Jews--Germany
 
 
150
Jews--Germany    [Not Subd Geog]    [sp2026050091]
 
450
UF Jewish Germans
 
680
Here are entered works on Jewish Germans in Germany. Works on German Jews outside Germany are entered under German Jews.
 
681
Note under German Jews
 
 
150
Glowworm beetles    [May Subd Geog]    [sp2025050354]
 
053
QL596.P47 (Zoology)
 
450
UF Glow-worms (Phenogodidae)
 
450
UF Phenogodidae
 
550
BT Beetles
 
550
BT Burrowing animals
 
550
BT Nocturnal animals
 
 
151
Great Britain--History--George VI, 1936-1952    [sp2026050068]
 
053
DA584-DA588.3 (History of Great Britain)
 
 
150
Great Depression, 1929    [May Subd Geog]    [sp2026050064]
 
450
UF Depressions--1929
 
550
RT Stock Market Crash, 1929
 
 
150
Great Migration, ca. 1914-ca. 1970    [May Subd Geog]    [sp2026050066]
 
450
UF Great Black Migration, ca. 1914-ca. 1970
 
450
UF Great Northward Migration, ca. 1914-ca. 1970
 
550
BT African American migrations
 
550
BT Internal migration--United States
 
680
Here are entered works on the migration of African Americans from the South to the urban areas of the northern and western United States.
 
 
150
African American migrations    [May Subd Geog]    [sp2026050067]
 
450
UF African Americans--Migrations
 
 
150
Internal migration--United States    [Not Subd Geog]    [sp2024050481]
 
 
150
Ground beetles    [May Subd Geog]    [sp2025050309]
 
053
QL596.C2 (Zoology)
 
450
UF Carabid beetles
 
450
UF Carabidae
 
450
UF Carabids
 
450
UF Rhysodidae
 
550
BT Beetles
 
 
150
Bombardier beetles    [May Subd Geog] CHANGE GEOG    [sp2021058116]
 
450
UF Brachinus DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Impostor syndrome    [Not Subd Geog]    [sp2026050069]
 
053
BF637.I46 (Psychology)
 
450
UF Imposter phenomenon
 
450
UF Impostor phenomenon
 
450
UF Imposter syndrome
 
450
UF IP (Psychology)
 
450
UF IS (Psychology)
 
450
UF Perceived fraudulence
 
550
BT Self-perception
 
680
Here are entered works on feeling like a fake or fraud although one is successful.
 
 
151
India--Languages    [sp2026050060]
 
 
150
Dravidian languages    [May Subd Geog]    [sp2026050062]
 
053
PL4602-PL4890 (Languages of Eastern Asia, Africa, Oceania)
 
551
BT India--Languages
 
 
150
Tamil language    [May Subd Geog]    [sp2026050063]
 
053
PL4751-PL4759.5o (Languages of Eastern Asia, Africa, Oceania)
 
550
BT Dravidian languages
 
 
150
Inland taipans    [May Subd Geog]    [sp2025050342]
 
053
QL666.O64 (Zoology)
 
450
UF Diemenia microlepidota
 
450
UF Fierce snakes
 
450
UF Inland taipan
 
450
UF Oxyuranus microlepidotus
 
450
UF Western taipans
 
550
BT Taipans (Reptiles)
 
680
When this heading is assigned, the second subject heading Taipans (Reptiles) is also assigned: 1. Inland taipans. 2. Taipans (Reptiles)
 
 
150
Ladybugs    [May Subd Geog] CHANGE GEOG    [sp2021050422]
 
053
SF459.L33 (Animal culture) ADD FIELD
 
053
SF562.L34 (Beneficial insects and insect culture) ADD FIELD
 
450
UF Cerasommatidiidae DELETE FIELD
 
450
UF Epilachnidae DELETE FIELD
 
450
UF Ladybirds [Former heading] DELETE FIELD
 
450
UF Ladybirds ADD FIELD
 
550
BT Beneficial insects ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
151
Massachusetts--History--New Plymouth, 1620-1691    [sp2026050065]
 
 
150
Metallic wood-boring beetles    [May Subd Geog]    [sp2025050310]
 
053
QL596.B8 (Zoology)
 
450
UF Buprestid beetles
 
450
UF Buprestidae
 
450
UF Buprestids
 
450
UF Jewel beetles
 
550
BT Beetles
 
681
Example under Emerald ash borers
 
 
150
Emerald ash borers    [May Subd Geog]    [sp2025050311]
 
053
QL596.B8 (Zoology)
 
450
UF Agrilus planipennis
 
450
UF Emerald ash borer
 
550
BT Metallic wood-boring beetles
 
680
When this heading is assigned, the second subject heading Metallic wood-boring beetles is also assigned: 1. Emerald ash borers. 2. Metallic wood-boring beetles.
 
 
150
Musical notation    [May Subd Geog] CHANGE GEOG    [sp2021053206]
 
053
ML431 (History) DELETE FIELD
 
053
ML432 (Reform) DELETE FIELD
 
053
MT35 (Instruction) DELETE FIELD
 
053
ML431-ML432 (Literature on music) ADD FIELD
 
450
UF Ligatures (Music) DELETE FIELD
 
450
UF Music--Notation DELETE FIELD
 
450
UF Music autography DELETE FIELD
 
450
UF Music copying DELETE FIELD
 
450
UF Music manuscript DELETE FIELD
 
450
UF Musical autography DELETE FIELD
 
450
UF Notation, Musical DELETE FIELD
 
550
BT Musical meter and rhythm DELETE FIELD
 
550
RT Paleography, Musical DELETE FIELD
 
550
BT Music ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Here are entered works on a system for visually representing musical elements, e.g., pitch, rhythm, etc. Works of music expressed through musical notation with or without lyrics are entered under Notated music. ADD FIELD
 
681
Note under Notated music ADD FIELD
 
 
150
Notated music    [May Subd Geog]    [sp2025050242]
 
550
BT Music
 
680
Here are entered works of music expressed through musical notation with or without lyrics. Works on a system for visually representing musical elements, e.g., pitch, rhythm, etc., are entered under Musical notation.
 
681
Note under Musical notation
 
 
150
Scarab beetles    [May Subd Geog]    [sp2024050118]
 
053
QL596.S3 (Zoology)
 
053
SB945.S35 (Plant culture)
 
450
UF Scarabaeidae
 
450
UF Scarabs (Insects)
 
550
BT Beetles
 
 
150
Dung beetles    [May Subd Geog] CHANGE GEOG    [sp2021059220]
 
450
UF Dor beetles DELETE FIELD
 
450
UF Dorbeetles DELETE FIELD
 
450
UF Coprinae ADD FIELD
 
450
UF Scarabaeinae ADD FIELD
 
550
BT Scarabaeidae DELETE FIELD
 
550
BT Scarab beetles ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Goliath beetles    [May Subd Geog] CHANGE GEOG    [sp2021060253]
 
550
BT Scarabaeidae DELETE FIELD
 
550
BT Scarab beetles ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
June bugs    [May Subd Geog]    [sp2024050119]
 
053
QL596.S3 (Zoology)
 
450
UF May beetles
 
450
UF Phyllophaga
 
550
BT Scarab beetles
 
 
150
Rhinoceros beetle CHANGE HEADING
 
150
Rhinoceros beetles    [May Subd Geog] CHANGE GEOG    [sp2021054365]
 
053
QL596.S3 (Zoology)
 
450
UF Dynastinae
 
450
UF Rhinoceros beetle [Former heading]
 
550
BT Scarab beetles
 
681
Example under Hercules beetles
 
688
Heading changed from Rhinoceros beetle to Rhinoceros beetles in March 2026.
 
 
150
Hercules beetles    [May Subd Geog]    [sp2025050348]
 
053
QL596.S3 (Zoology)
 
450
UF Dynastes hercules
 
450
UF Hercules beetle
 
550
BT Rhinoceros beetles
 
680
When this heading is assigned, the second subject heading Rhinoceros beetles is also assigned: 1. Hercules beetles. 2. Rhinoceros beetles.
 
 
150
Ursa Major    [Not Subd Geog]    [sp2026050058]
 
450
UF Great Bear (Constellation)
 
550
BT Constellations
 
 
150
Water beetles    [May Subd Geog] CHANGE GEOG    [sp2021055539]
 
450
UF Aquatic beetles ADD FIELD
 
550
BT Aquatic insects ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Weevils    [May Subd Geog]    [sp2024050116]
 
053
QL596.C9 (Zoology)
 
450
UF Curculionoidea
 
450
UF Snout beetles
 
550
BT Beetles
 
681
Examples under Boll weevils; Giraffe weevils
 
 
150
Boll weevils    [May Subd Geog]    [sp2024050117]
 
053
QL596.C9 (Zoology)
 
053
SB945.C8 (Plant culture)
 
053
SF562.B58 (Animal culture)
 
450
UF Anthonomus grandis
 
450
UF Anthonomus grandis grandis
 
450
UF Anthonomus thurberiae
 
550
BT Pests
 
550
BT Weevils
 
680
When this heading is assigned, the second subject heading Weevils is also assigned: 1. Boll weevils. 2. Weevils.
 
 
150
Giraffe weevils    [May Subd Geog]    [sp2025050349]
 
053
QL596.A83 (Zoology)
 
450
UF Giraffe-necked weevils
 
450
UF Giraffe weevil
 
450
UF Trachelophorus giraffa
 
550
BT Rain forest animals
 
550
BT Weevils
 
680
When this heading is assigned, the second subject heading Weevils is also assigned: 1. Giraffe weevils. 2. Weevils.
 
 
150
White-nosed coatis    [May Subd Geog]    [sp2025050338]
 
053
QL737.C26 (Zoology)
 
450
UF Coatimundis
 
450
UF Hog-nosed coons
 
450
UF Nasua narica
 
450
UF Northern coatis
 
450
UF White-nosed coati
 
550
BT Coatis
 
680
When this heading is assigned, the second subject heading Coatis is also assigned: 1. White-nosed coatis. 2. Coatis.