Library of Congress CYAC Subject Headings (October 23, 2023)
LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
APPROVED MONTHLY LIST 10 CYAC (October 23, 2023)


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

 
 
CHILDREN'S SUBJECT HEADINGS
 
150
Abert's squirrel CHANGE HEADING
 
150
Abert's squirrels    [May Subd Geog] CHANGE GEOG    [sp2021056444]
 
053
QL737.R68 (Zoology)
 
450
UF Abert squirrels
 
450
UF Abert's squirrel [Former heading]
 
450
UF Sciurus aberti
 
450
UF Tassel-eared squirrels
 
550
BT Tree squirrels
 
680
When this heading is assigned, the second subject heading Tree squirrels is also assigned, e.g., 1. Abert's squirrels. 2. Tree squirrels.
 
681
Example under Kaibab squirrels
 
688
Heading changed from Abert's squirrel to Abert's squirrels in October 2023.
 
 
150
American opossums    [May Subd Geog]    [sp2023050228]
 
053
QL737.M34 (Zoology)
 
450
UF Didelphidae
 
550
BT Marsupials
 
550
BT Opossums
 
681
Example under Common opossums; Virginia opossums
 
 
150
Bandicoots    [May Subd Geog] ADD GEOG    [sp 96004881 ]
 
053
QL737.M47-QL737.M478 (Zoology) ADD FIELD
 
450
UF Peramelids ADD FIELD
 
550
BT Marsupials ADD FIELD
 
550
BT Omnivores ADD FIELD
 
 
150
Black-tailed prairie dog CHANGE HEADING
 
150
Black-tailed prairie dogs    [May Subd Geog] CHANGE GEOG    [sp2021057198]
 
053
QL737.R68 (Zoology)
 
450
UF Arizona black-tailed prairie dogs
 
450
UF Black-tailed prairie dog [Former heading]
 
450
UF Cynomys ludovicianus
 
450
UF Cynomys pyrrotrichus
 
550
BT Prairie dogs
 
680
When this heading is assigned, the second subject heading Prairie dogs is also assigned, e.g., 1. Black-tailed prairie dogs. 2. Prairie dogs.
 
688
Heading changed from Black-tailed prairie dog to Black-tailed prairie dogs in October 2023.
 
 
150
California ground squirrel CHANGE HEADING
 
150
California ground squirrels    [May Subd Geog] CHANGE GEOG    [sp2021055706]
 
053
QL737.R68 (Zoology)
 
450
UF Arctomys beecheyi
 
450
UF California ground squirrel [Former heading]
 
450
UF Citellus beecheyi
 
450
UF Otospermophilus beecheyi
 
450
UF Spermophilus beecheyi
 
550
BT Ground squirrels
 
550
BT Squirrel family (Mammals)
 
680
When this heading is assigned, the second subject heading Squirrel family (Mammals) is also assigned, e.g., 1. California ground squirrels. 2. Squirrel family (Mammals)
 
688
Heading changed from California ground squirrel to California ground squirrels in October 2023.
 
 
150
Chipmunks    [May Subd Geog] CHANGE GEOG    [sp2021050824]
 
053
SF459.C5 (Animal culture) ADD FIELD
 
450
UF Eutamias DELETE FIELD
 
450
UF Neotamias DELETE FIELD
 
450
UF Tamias [Former heading] DELETE FIELD
 
450
UF Tamias ADD FIELD
 
550
BT Sciuridae DELETE FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Common opossums    [May Subd Geog]    [sp2023050230]
 
053
QL737.M34 (Zoology)
 
450
UF Black-eared opossums
 
450
UF Didelphis marsupialis
 
450
UF Southern opossums
 
550
BT American opossums
 
550
BT Omnivores
 
680
When this heading is assigned, the second subject heading American opossums is also assigned, e.g., 1. Common opossums. 2. American opossums.
 
 
150
Eastern gray squirrels    [May Subd Geog]    [sp2023050227]
 
053
QL737.R68 (Zoology)
 
450
UF Eastern grey squirrels
 
450
UF Gray squirrels
 
450
UF Grey squirrels
 
450
UF North American gray squirrels
 
450
UF North American grey squirrels
 
450
UF Sciurus carolinensis
 
550
BT Tree squirrels
 
680
When this heading is assigned, the second subject heading Tree squirrels is also assigned, e.g., 1. Eastern gray squirrels. 2. Tree squirrels.
 
 
150
Eastern grey kangaroo CHANGE HEADING
 
150
Eastern grey kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021056084]
 
053
QL737.M35 (Zoology)
 
450
UF Eastern gray kangaroos
 
450
UF Eastern grey kangaroo [Former heading]
 
450
UF Giant kangaroos
 
450
UF Gray kangaroos
 
450
UF Grey kangaroos
 
450
UF Macropus giganteus
 
550
BT Kangaroo family (Mammals)
 
550
BT Kangaroos
 
550
BT Nocturnal animals
 
680
When this heading is assigned, the second subject heading Kangaroo family (Mammals) is also assigned, e.g., 1. Eastern grey kangaroos. 2. Kangaroo family (Mammals)
 
688
Heading changed from Eastern grey kangaroo to Eastern grey kangaroos in October 2023.
 
 
150
Flying squirrels    [May Subd Geog] CHANGE GEOG    [sp2021056594]
 
450
UF Pteromyinae ADD FIELD
 
450
UF Pteromyini ADD FIELD
 
550
BT Sciuridae DELETE FIELD
 
550
BT Nocturnal animals ADD FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Ground squirrels    [May Subd Geog] CHANGE GEOG    [sp2021057990]
 
450
UF Spermophiles ADD FIELD
 
550
BT Sciuridae DELETE FIELD
 
550
BT Burrowing animals ADD FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Hairy-nosed wombats    [May Subd Geog]    [sp2023050231]
 
053
QL737.M39 (Zoology)
 
053
SF997.5.W64 (Animal culture)
 
450
UF Lasiorhinus
 
450
UF Soft-furred wombats
 
550
BT Wombats
 
681
Example under Northern hairy-nosed wombats
 
 
150
Kaibab squirrel CHANGE HEADING
 
150
Kaibab squirrels    [May Subd Geog] CHANGE GEOG    [sp2021052809]
 
053
QL737.R68 (Zoology)
 
450
UF Kaibab squirrel [Former heading]
 
450
UF Sciurus aberti kaibabensis
 
550
BT Abert's squirrels
 
680
When this heading is assigned, the second subject heading Abert's squirrels is also assigned, e.g., 1. Kaibab squirrels. 2. Abert's squirrels.
 
688
Heading changed from Kaibab squirrel to Kaibab squirrels in October 2023.
 
 
150
Kangaroo family (Mammals)    [May Subd Geog]    [sp2023050055]
 
053
QL737.M35 (Zoology)
 
450
UF Macropodidae
 
450
UF Macropods
 
550
BT Marsupials
 
681
Example under Eastern grey kangaroos; Red kangaroos; Quokkas; Western grey kangaroos
 
 
150
Kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021051392]
 
053
SF408.6.K35 (Zoo animals) DELETE FIELD
 
053
QL795.K3 (Animal behavior) ADD FIELD
 
053
SB994.K35 (Plant culture) ADD FIELD
 
053
SF408.6.K35 (Animal culture) ADD FIELD
 
053
SK305.K3 (Hunting sports) ADD FIELD
 
450
UF Roos DELETE FIELD
 
550
BT Macropodidae DELETE FIELD
 
550
BT Herbivores ADD FIELD
 
550
BT Kangaroo family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Koala CHANGE HEADING
 
150
Koalas    [May Subd Geog] CHANGE GEOG    [sp2021050323]
 
053
QL737.M384 (Zoology)
 
053
QL795.K62 (Animal behavior)
 
450
UF Koala bears
 
450
UF Koala [Former heading]
 
450
UF Phascolarctos cinereus
 
550
BT Forest animals
 
550
BT Herbivores
 
550
BT Marsupials
 
680
When this heading is assigned, the second subject heading Marsupials is also assigned, e.g., 1. Koalas. 2. Marsupials.
 
688
Heading changed from Koala to Koalas in October 2023.
 
 
150
Marmots    [May Subd Geog] ADD GEOG    [sp 96005935 ]
 
053
QL737.R68 (Zoology) ADD FIELD
 
053
QL795.M3 (Animal behavior) ADD FIELD
 
053
SK341.M3 (Hunting sports) ADD FIELD
 
450
UF Arctomys ADD FIELD
 
450
UF Marmota ADD FIELD
 
550
BT Ground squirrels ADD FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
680
Here are entered works on several species of marmots. DELETE FIELD
 
681
Example under Woodchucks ADD FIELD
 
 
150
Marsupials    [May Subd Geog] CHANGE GEOG    [sp2021053541]
 
053
QL737.M3-QL737.M476 (Zoology) DELETE FIELD
 
053
QL737.M3-QL737.M478 (Zoology) ADD FIELD
 
450
UF Marsupialia [Former heading] DELETE FIELD
 
450
UF Pouched animals DELETE FIELD
 
450
UF Marsupialia ADD FIELD
 
450
UF Metatheria ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Koalas; Sugar gliders; Tasmanian devils ADD FIELD
 
 
150
Matschie's tree kangaroo CHANGE HEADING
 
150
Huon tree kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021060106]
 
053
QL737.M35 (Zoology)
 
450
UF Dendrolagus matschiei
 
450
UF Matschie's tree kangaroo [Former heading]
 
550
BT Tree kangaroos
 
680
When this heading is assigned, the second subject heading Tree kangaroos is also assigned, e.g., 1. Huon tree kangaroos. 2. Tree kangaroos.
 
688
Heading changed from Matschie's tree kangaroo to Huon tree kangaroos in October 2023.
 
 
150
Northern hairy-nosed wombats    [May Subd Geog]    [sp2023050232]
 
053
QL737.M39 (Zoology)
 
053
SF997.5.W64 (Animal culture)
 
450
UF Lasiorhinus krefftii
 
550
BT Hairy-nosed wombats
 
550
BT Nocturnal animals
 
680
When this heading is assigned, the second subject heading Hairy-nosed wombats is also assigned, e.g., 1. Northern hairy-nosed wombats. 2. Hairy-nosed wombats.
 
 
150
Opossums    [May Subd Geog] CHANGE GEOG    [sp2021053231]
 
450
UF American opossums DELETE FIELD
 
450
UF American possums DELETE FIELD
 
450
UF Didelphidae DELETE FIELD
 
450
UF Didelphids DELETE FIELD
 
450
UF Marmosidae DELETE FIELD
 
450
UF Possums, American DELETE FIELD
 
450
UF Possums ADD FIELD
 
550
BT Didelphimorphia DELETE FIELD
 
550
BT Marsupials ADD FIELD
 
550
BT Nocturnal animals ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Prairie dogs    [May Subd Geog] CHANGE GEOG    [sp2021051737]
 
053
SF459.P64 (Animal culture) ADD FIELD
 
450
UF Arctomys DELETE FIELD
 
550
BT Sciuridae DELETE FIELD
 
550
BT Burrowing animals ADD FIELD
 
550
BT Prairie animals ADD FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Black-tailed prairie dogs ADD FIELD
 
 
150
Quokka CHANGE HEADING
 
150
Quokkas    [May Subd Geog] CHANGE GEOG    [sp2021057131]
 
053
QL737.M35 (Zoology)
 
450
UF Quokka [Former heading]
 
450
UF Setonix brachyurus
 
450
UF Short-tailed scrub wallabies
 
450
UF Short-tailed scrub wallaby
 
450
UF Short-tailed wallabies
 
450
UF Short-tailed wallaby
 
550
BT Kangaroo family (Mammals)
 
550
BT Nocturnal animals
 
550
BT Wallabies
 
680
When this heading is assigned, the second subject heading Kangaroo family (Mammals) is also assigned, e.g., 1. Quokkas. 2. Kangaroo family (Mammals)
 
688
Heading changed from Quokka to Quokkas in October 2023.
 
 
150
Red kangaroo CHANGE HEADING
 
150
Red kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021051391]
 
053
QL737.M35 (Zoology)
 
450
UF Macropus rufus
 
450
UF Red kangaroo [Former heading]
 
550
BT Kangaroo family (Mammals)
 
550
BT Kangaroos
 
550
BT Nocturnal animals
 
680
When this heading is assigned, the second subject heading Kangaroo family (Mammals) is also assigned, e.g., 1. Red kangaroos. 2. Kangaroo family (Mammals)
 
688
Heading changed from Red kangaroo to Red kangaroos in October 2023.
 
 
150
Red squirrels    [May Subd Geog] ADD GEOG    [sp 96006049 ]
 
450
UF Tamiasciurus DELETE FIELD
 
450
UF Tamiasciurus hudsonicus ADD FIELD
 
550
BT Forest animals ADD FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
550
BT Squirrels ADD FIELD
 
680
When this heading is assigned, the second subject heading Squirrel family (Mammals) is also assigned, e.g., 1. Red squirrels. 2. Squirrel family (Mammals) ADD FIELD
 
 
150
Sciuridae CHANGE HEADING
 
150
Squirrel family (Mammals)    [May Subd Geog] CHANGE GEOG    [sp2021054789]
 
053
QL737.R68 (Zoology)
 
450
UF Sciuridae [Former heading]
 
450
UF Sciurids
 
550
BT Rodents
 
681
Example under California ground squirrels; Red squirrels
 
 
150
Squirrels    [May Subd Geog] CHANGE GEOG    [sp2021051155]
 
053
PN6231.S67 (Collections of general literature) ADD FIELD
 
053
QL795.S7 (Animal behavior) ADD FIELD
 
053
SB994.S67 (Plant culture) ADD FIELD
 
053
SK341.S7 (Hunting sports) ADD FIELD
 
450
UF Squirrel ADD FIELD
 
550
BT Sciuridae DELETE FIELD
 
550
BT Squirrel family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Sugar glider CHANGE HEADING
 
150
Sugar gliders    [May Subd Geog] CHANGE GEOG    [sp2021061560]
 
053
QL737.M373 (Zoology)
 
053
SF459.S83 (Animal culture)
 
450
UF Petaurus breviceps
 
450
UF Short-headed gliders
 
450
UF Sugar glider [Former heading]
 
550
BT Forest animals
 
550
BT Marsupials
 
550
BT Nocturnal animals
 
550
BT Omnivores
 
550
BT Opossums
 
680
When this heading is assigned, the second subject heading Marsupials is also assigned, e.g., 1. Sugar gliders. 2. Marsupials.
 
688
Heading changed from Sugar glider to Sugar gliders in October 2023.
 
 
150
Tasmanian devil CHANGE HEADING
 
150
Tasmanian devils    [May Subd Geog] CHANGE GEOG    [sp2021055424]
 
053
QL737.M33 (Zoology)
 
450
UF Sarcophilus harrisii
 
450
UF Tasmanian devil [Former heading]
 
550
BT Carnivorous animals
 
550
BT Marsupials
 
550
BT Nocturnal animals
 
680
When this heading is assigned, the second subject heading Marsupials is also assigned, e.g., 1. Tasmanian devils. 2. Marsupials.
 
688
Heading changed from Tasmanian devil to Tasmanian devils in October 2023.
 
 
150
Tree kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021058119]
 
450
UF Tree wallabies ADD FIELD
 
450
UF Tree wallaby ADD FIELD
 
550
BT Macropodidae DELETE FIELD
 
550
BT Forest animals ADD FIELD
 
550
BT Kangaroo family (Mammals) ADD FIELD
 
550
BT Wallabies ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Huon tree kangaroos ADD FIELD
 
 
150
Tree squirrels    [May Subd Geog]    [sp2023050226]
 
053
QL737.R68 (Zoology)
 
450
UF Sciurus
 
550
BT Forest animals
 
550
BT Squirrel family (Mammals)
 
550
BT Squirrels
 
681
Example under Abert's squirrels; Eastern gray squirrels
 
 
150
Virginia opossums    [May Subd Geog]    [sp2023050229]
 
053
QL737.M34 (Zoology)
 
450
UF Didelphis virginiana
 
550
BT American opossums
 
550
BT Omnivores
 
550
BT Opossums
 
680
When this heading is assigned, the second subject heading American opossums is also assigned, e.g., 1. Virginia opossums. 2. American opossums.
 
 
150
Wallabies    [May Subd Geog] CHANGE GEOG    [sp2021056802]
 
053
SK305.W25 (Hunting sports) ADD FIELD
 
450
UF Wallaby ADD FIELD
 
550
BT Macropodidae DELETE FIELD
 
550
BT Kangaroo family (Mammals) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Western grey kangaroo CHANGE HEADING
 
150
Western grey kangaroos    [May Subd Geog] CHANGE GEOG    [sp2021058618]
 
053
QL737.M35 (Zoology)
 
450
UF Kangaroo Island western gray kangaroos
 
450
UF Kangaroo Island western grey kangaroos
 
450
UF Macropus fuliginosus
 
450
UF Western gray kangaroos
 
450
UF Western grey kangaroo [Former heading]
 
550
BT Kangaroo family (Mammals)
 
550
BT Kangaroos
 
680
When this heading is assigned, the second subject heading Kangaroo family (Mammals) is also assigned, e.g., 1. Western grey kangaroos. 2. Kangaroo family (Mammals)
 
688
Heading changed from Western grey kangaroo to Western grey kangaroos in October 2023.
 
 
150
Wombats    [May Subd Geog] CHANGE GEOG    [sp2021053239]
 
053
QL795.W83 (Animal behavior) ADD FIELD
 
053
SF997.5.W64 (Animal culture) ADD FIELD
 
450
UF Australian badgers DELETE FIELD
 
450
UF Phascolomyidae DELETE FIELD
 
550
BT Diprotodontia DELETE FIELD
 
550
BT Burrowing animals ADD FIELD
 
550
BT Marsupials ADD FIELD
 
550
BT Herbivores ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Woodchuck CHANGE HEADING
 
150
Woodchucks    [May Subd Geog] CHANGE GEOG    [sp2021053703]
 
053
QL737.R68 (Zoology)
 
053
SK341.W6 (Hunting sports)
 
450
UF Groundhogs
 
450
UF Marmota monax
 
450
UF Woodchuck [Former heading]
 
550
BT Marmots
 
680
When this heading is assigned, the second subject heading Marmots is also assigned, e.g., 1. Woodchucks. 2. Marmots.
 
688
Heading changed from Woodchuck to Woodchucks in October 2023.