Library of Congress CYAC Subject Headings (January 31, 2025)
LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
APPROVED MONTHLY LIST 01 CYAC (January 31, 2025)


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

 
 
CHILDREN'S SUBJECT HEADINGS
 
150
African American suffrage    [May Subd Geog]    [sp2024050486]
 
053
JK1924-JK1929 (Political institutions and public administration (United States))
 
053
KF4893 (United States (General))
 
450
UF African Americans--Enfranchisement
 
450
UF African Americans--Suffrage
 
550
BT Suffrage
 
 
150
Air pollution    [May Subd Geog]    [sp2024050487]
 
053
TD881-TD890 (Environmental technology)
 
450
UF Air--Pollution
 
450
UF Air contamination
 
450
UF Air pollutants
 
550
BT Pollution
 
550
RT Air quality
 
 
150
Animal behavior--Fiction    [Not Subd Geog]    [sp2024050517]
 
680
Here are entered works on the habits and behaviors of realistic animals. Assign an additional heading for the type of animal, if appropriate. Works on the habits of anthropomorphic animals are entered under Habit--Fiction. Works on the behaviors of anthropomorphic animals are entered under Behavior--Fiction.
 
681
Notes under Behavior--Fiction; Habit--Fiction
 
 
150
Animal defenses    [May Subd Geog] CHANGE GEOG    [sp2021050747]
 
053
QL759 DELETE FIELD
 
053
QL759 (Zoology) ADD FIELD
 
360
SA subdivision Defenses under individual animals and groups of animals, e.g. Fishes--Defenses DELETE FIELD
 
450
UF Animal defence mechanisms DELETE FIELD
 
450
UF Animal defences DELETE FIELD
 
450
UF Animal defensive mechanisms DELETE FIELD
 
450
UF Defence mechanisms, Animal DELETE FIELD
 
450
UF Defences, Animal DELETE FIELD
 
450
UF Defense mechanisms, Animal DELETE FIELD
 
450
UF Defenses, Animal DELETE FIELD
 
450
UF Defensive mechanisms, Animal DELETE FIELD
 
450
UF Mechanisms, Animal defense DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Assign an additional heading for the type of animal, if appropriate. ADD FIELD
 
 
150
Animal defenses--Fiction    [Not Subd Geog]    [sp2024050518]
 
680
Here are entered works on the defense mechanisms of realistic animals. Assign an additional heading for the type of defense mechanism and/or animal, if appropriate. Works on the defense mechanisms of anthropomorphic animals are assigned a heading for the specific defense, e.g., Camouflage (Biology)--Fiction.
 
 
150
Animal ecology    [May Subd Geog] CHANGE GEOG    [sp2021053898]
 
053
QH540-QH549.5 DELETE FIELD
 
053
QH540-QH549.5 (Biology (General)) ADD FIELD
 
360
SA subdivisions Ecology; Larvae--Ecology; and Predators of--Ecology under individual animals and groups of animals, e.g. Cattle--Ecology; Fishes--Ecology; Fishes--Larvae--Ecology; Fishes--Predators of--Ecology DELETE FIELD
 
450
UF Zoology--Ecology [Former heading] DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Here are entered nonfiction works on animal ecology. When this heading is assigned, the second subject heading Ecology is also assigned, e.g., 1. Animal ecology. 2. Ecology. Assign an additional heading for the type of animal, if applicable. Fictional works on animal ecology are entered under Ecology--Fiction. ADD FIELD
 
 
150
Animal feeding    [May Subd Geog] CHANGE GEOG    [sp2021059828]
 
360
SA subdivision Feeding and feeds under individual animals and groups of animals, e.g. Cattle--Feeding and feeds; Fishes--Feeding and feeds DELETE FIELD
 
450
UF Feeding [Former heading] DELETE FIELD
 
450
UF Feeding, Animal DELETE FIELD
 
550
RT Feeds DELETE FIELD
 
550
BT Animal culture ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Here are entered works on the process of providing nourishment to animals. Works on the nutritional preparations provided for animals by humans are entered under Feeds. Works on the nutritional substances animals find or provide for themselves as well as works on their food habits are entered under Animals--Food. DELETE FIELD
 
680
Here are entered nonfiction works on the process of providing nourishment to animals, particularly in captive or domesticated settings. Assign an additional heading for the type of animal, if appropriate. Nonfiction works on the nutritional substances animals find or provide for themselves, particularly in natural or wild settings, as well as works on their food habits are entered under Animal food. ADD FIELD
 
681
Notes under Animals--Food; Feeds DELETE FIELD
 
681
Note under Animal food ADD FIELD
 
 
150
Animal feeding--Fiction    [Not Subd Geog]    [sp2024050520]
 
680
Here are entered works on the process of providing nourishment to realistic animals, particularly in captive and domesticated settings. Assign an additional heading for the type of animal, if appropriate. Works on the nutritional substances realistic animals provide for themselves, particularly in natural or wild settings, as well as on their food habits are entered under Animal food--Fiction. Works on food that anthropomorphic animals consume are entered under Food--Fiction or a heading for the type of food.
 
681
Notes under Animal food--Fiction; Food--Fiction
 
 
150
Animal food    [May Subd Geog]    [sp2024050488]
 
053
QL756.5 (Zoology)
 
450
UF Animal feeding behavior
 
450
UF Animal feeding behaviour
 
450
UF Animal food habits
 
450
UF Animal foods
 
450
UF Animal foraging behavior
 
450
UF Animals--Feeding behavior
 
450
UF Animals--Food
 
450
UF Animals--Food habits
 
450
UF Animals--Foods
 
450
UF Animals--Foraging behavior
 
450
UF Feeding behavior in animals
 
450
UF Food habits in animals
 
450
UF Foraging behavior in animals
 
550
BT Animal behavior
 
550
BT Food
 
680
Here are entered nonfiction works on the nutritional substances animals find or provide for themselves, particularly in natural or wild settings, as well as works on their food habits. Assign an additional heading for the type of animal, if appropriate. Nonfiction works on the process of providing nourishment to animals, particularly in captive or domesticated settings, are entered under Animal feeding.
 
681
Note under Animal feeding
 
 
150
Animal food--Fiction    [Not Subd Geog]    [sp2024050519]
 
680
Here are entered works on the nutritional substances realistic animals find or provide for themselves, particularly in natural or wild settings, as well as works on their food habits. Assign an additional heading for the type of animal, if appropriate. Works on providing nourishment to realistic animals, particularly in captive or domesticated settings are entered under Animal feeding--Fiction. Works on food that anthropomorphic animals consume are entered under Food--Fiction.
 
681
Notes under Animal feeding--Fiction; Food--Fiction
 
 
150
Animal habitations    [May Subd Geog]    [sp2024050492]
 
053
QL756-QL756.15 (Zoology)
 
450
UF Animal dwellings
 
450
UF Animal homes
 
450
UF Animals--Habitations
 
450
UF Dens (Animal habitations)
 
450
UF Lairs (Animal habitations)
 
550
BT Animal behavior
 
550
BT Animal ecology
 
680
Here are entered nonfiction works on natural shelters and homes that animals build for themselves, such as burrows, dens, lairs, lodges, etc. Assign an additional heading for the type of animal, if appropriate.
 
 
150
Animal habitations--Fiction    [Not Subd Geog]    [sp2024050516]
 
680
Here are entered works on natural shelters and homes that realistic animals built for themselves, such as burrows, dens, lairs, lodges, etc. Assign an additional heading for the type of animal, if appropriate. Works on homes of anthropomorphic animals are entered under Dwellings--Fiction.
 
681
Note under Dwellings--Fiction
 
 
150
Animal infancy    [May Subd Geog]    [sp2024050495]
 
450
UF Animal babies
 
450
UF Animal juveniles
 
450
UF Animal young
 
450
UF Animals--Infancy
 
450
UF Baby animals
 
450
UF Infancy of animals
 
450
UF Infant animals
 
450
UF Juvenile animals
 
450
UF Young animals
 
550
BT Animal life cycles
 
680
Assign an additional heading for the type of animal, if appropriate.
 
 
150
Animal psychology    [May Subd Geog]    [sp2024050493]
 
053
QL785-QL785.27 (Zoology)
 
450
UF Animals--Psychological aspects
 
450
UF Animals--Psychology
 
550
BT Psychology
 
680
Here are entered nonfiction works on the psychology or psychological aspects of animals. Assign an additional heading for the type of animal, if appropriate.
 
 
150
Animal psychology--Fiction    [Not Subd Geog]    [sp2024050521]
 
680
Here are entered works on the psychology or psychological aspects of realistic animals. Assign an additional heading for the type of animal, if appropriate. Works on the psychology or psychological aspects of anthropomorphic animals are entered under Psychology--Fiction.
 
681
Note under Psychology--Fiction
 
 
150
Animal training    [May Subd Geog] CHANGE GEOG    [sp2021054268]
 
053
GV1829-GV1831 (Circuses) DELETE FIELD
 
053
GV1829-GV1831 (Recreation) ADD FIELD
 
360
SA subdivision Training under individual animals and groups of animals, e.g. Cattle--Training; Fishes--Training DELETE FIELD
 
450
UF Animals--Training DELETE FIELD
 
450
UF Animals, Training of [Former heading] DELETE FIELD
 
450
UF Animals--Training [Former heading] ADD FIELD
 
550
RT Domestication DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Assign an additional heading for the type of animal, if appropriate. ADD FIELD
 
688
Heading changed from Animals--Training to Animal training in January 2025. ADD FIELD
 
 
150
Animals--Habits and behavior CHANGE HEADING
 
150
Animal behavior    [May Subd Geog] ADD GEOG    [sp 96006032 ]
 
053
QL750-QL782.5 (Zoology)
 
450
UF Animal behaviour
 
450
UF Animal habits
 
450
UF Animals--Behavior
 
450
UF Animals--Habits and behavior [Former heading]
 
550
BT Animal psychology
 
550
BT Zoology
 
680
Here are entered nonfiction works on the habits and behaviors of animals. Assign an additional heading for the type of animal, if appropriate.
 
688
Heading changed from Animals--Habits and behavior to Animal behavior in January 2025.
 
 
150
Animals--Training CANCEL HEADING    [sp 96004775 ]
 
682
This authority record has been deleted because the subject heading is covered by the subject heading Animal training sj2021054268.
 
 
150
Animals--Treatment CHANGE HEADING
 
150
Animal welfare    [May Subd Geog] ADD GEOG    [sp 96004776 ]
 
053
HV4701-HV4959 (Social pathology)
 
450
UF Abuse of animals
 
450
UF Animal abuse
 
450
UF Animal cruelty
 
450
UF Animal neglect
 
450
UF Animals--Treatment [Former heading]
 
450
UF Humane treatment of animals
 
450
UF Mistreatment of animals
 
450
UF Neglect of animals
 
450
UF Protection of animals
 
450
UF Treatment of animals
 
680
Here are entered works on the protection and treatment of animals. Assign an additional heading for the type of animal, if appropriate. Works on the inherent rights attributed to animals are entered under Animal rights.
 
681
Note under Animal rights
 
688
Heading changed from Animals--Treatment to Animal welfare in January 2025.
 
 
150
Art forgeries    [May Subd Geog]    [sp2024050512]
 
053
N8790-N8791 (Visual arts)
 
450
UF Art--Forgeries
 
450
UF Art forgery
 
550
BT Forgery
 
 
150
Behavior--Fiction    [Not Subd Geog]    [sp2024050505]
 
680
Here are entered works on the habits and behaviors of humans and anthropomorphic animals. For works on anthropomorphic animals, assign an additional heading for the type of animal, if appropriate. Fictional works on the habits and behavior of true to life animals are assigned the heading Animal behavior--Fiction.
 
681
Note under Animal behavior--Fiction
 
 
150
Camouflage (Biology)--Fiction    [Not Subd Geog]    [sp2024050497]
 
681
Example under Animal defenses--Fiction
 
 
150
Clairvoyance    [May Subd Geog] CHANGE GEOG    [sp2021052528]
 
053
BF1325 DELETE FIELD
 
053
BF1325 (Parapsychology) ADD FIELD
 
450
UF Cryptesthesia ADD FIELD
 
450
UF Second sight ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Crimes against persons    [May Subd Geog]    [sp2024050456]
 
680
Assign an additional heading for the class of persons or ethnic group the crime is committed against, if applicable. ADD FIELD
 
 
150
Dwellings--Fiction    [Not Subd Geog]    [sp2024050507]
 
680
Here are entered works on homes of humans and anthropomorphic animals. For works on anthropomorphic animals, assign an additional heading for the type of animal, if appropriate. Works on homes of true to life animals are entered under Animal habitations--Fiction.
 
681
Note under Animal habitations--Fiction
 
 
150
Ecology--Fiction    [Not Subd Geog]    [sp2024050506]
 
681
Note under Animal ecology
 
 
150
Food--Fiction    [Not Subd Geog]    [sp2024050490]
 
680
Here are entered works on food that humans and anthropomorphic animals consume. For works featuring anthropomorphic animals, assign an additional heading for the type of animal, if appropriate.
 
681
Note under Animal feeding--Fiction; Animal food--Fiction
 
 
150
Formulas, recipes, etc.    [May Subd Geog] CHANGE GEOG    [sp2021051234]
 
053
AG103-AG191 (General) DELETE FIELD
 
053
T49 (Technology) DELETE FIELD
 
053
TX151-TX162 (Home economics) DELETE FIELD
 
053
T49 (Technology (General)) ADD FIELD
 
450
UF Receipts [Former heading] DELETE FIELD
 
450
UF Recipes [Former heading] DELETE FIELD
 
450
UF Receipts ADD FIELD
 
450
UF Recipes ADD FIELD
 
550
RT Home economics DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
680
Here are entered collections of, and works about, formulas and recipes for preparing non-food items such as household products, cosmetics, etc. Works about preparing food are entered under Cooking. Works about collections of cooking recipes are entered under Cookbooks. Works containing recipes of interest to machinists and other artisans are entered under Workshop recipes. DELETE FIELD
 
680
Here are entered works on formulas and recipes for preparing food and non-food items. Assign an additional heading for the food or non-food item, if applicable. Works about preparing food are entered under Cooking or Baking. Works about a collection of cooking recipes are entered under Cookbooks. ADD FIELD
 
681
Note under Cookbooks; Cooking; Workshop recipes DELETE FIELD
 
681
Notes under Baking; Cookbooks; Cooking ADD FIELD
 
 
151
Great Britain--History--Anglo-Saxon period, 449-1066    [sp2024050527]
 
053
DA150-DA162 (History of Great Britain)
 
 
151
Great Britain--History--Charles II, 1660-1685    [sp2024050526]
 
053
DA445-DA448.9 (History of Great Britain)
 
 
151
Great Britain--History--Early Stuarts, 1603-1649    [sp2024050542]
 
053
DA385-DA398 (History of Great Britain)
 
 
151
Great Britain--History--Edward II, 1307-1327    [sp2024050545]
 
053
DA230 (History of Great Britain)
 
 
151
Great Britain--History--Edward III, 1327-1377    [sp2024050536]
 
053
DA233 (History of Great Britain)
 
 
151
Great Britain--History--Edward IV, 1461-1483    [sp2024050546]
 
053
DA258 (History of Great Britain)
 
 
151
Great Britain--History--Edward VI, 1547-1553    [sp2024050537]
 
053
DA345-DA345.1 (History of Great Britain)
 
 
151
Great Britain--History--Edward VII, 1901-1910    [sp2024050524]
 
053
DA567-DA570 (History of Great Britain)
 
 
151
Great Britain--History--Elizabeth, 1558-1603    [sp2024050523]
 
053
DA350-DA360 (History of Great Britain)
 
 
151
Great Britain--History--Elizabeth II, 1952-2022    [sp2024050531]
 
053
DA590-DA592 (History of Great Britain)
 
 
151
Great Britain--History--George I, 1714-1727    [sp2024050543]
 
053
DA499 (History of Great Britain)
 
 
151
Great Britain--History--George II, 1727-1760    [sp2024050544]
 
053
DA500 (History of Great Britain)
 
 
151
Great Britain--History--George III, 1760-1820    [sp2024050529]
 
053
DA505-DA522 (History of Great Britain)
 
 
151
Great Britain--History--George V, 1910-1936    [sp2024050525]
 
053
DA573-DA578 (History of Great Britain)
 
 
151
Great Britain--History--Henry III, 1216-1272    [sp2024050540]
 
053
DA227-DA228 (History of Great Britain)
 
 
151
Great Britain--History--Henry IV, 1399-1413    [sp2024050541]
 
053
DA255 (History of Great Britain)
 
 
151
Great Britain--History--John, 1199-1216    [sp2024050532]
 
053
DA208 (History of Great Britain)
 
 
151
Great Britain--History--Mary I, 1553-1558    [sp2024050539]
 
053
DA347-DA347.1 (History of Great Britain)
 
 
151
Great Britain--History--Norman period, 1066-1154    [sp2024050530]
 
053
DA190-DA199 (History of Great Britain)
 
 
151
Great Britain--History--Plantagenets, 1154-1399    [sp2024050538]
 
053
DA220-DA237 (History of Great Britain)
 
 
151
Great Britain--History--Richard I, 1189-1199    [sp2024050528]
 
053
DA207 (History of Great Britain)
 
 
151
Great Britain--History--Richard III, 1483-1485    [sp2024050533]
 
053
DA260 (History of Great Britain)
 
 
151
Great Britain--History--Stephen, 1135-1154    [sp2024050547]
 
053
DA198.5-DA198.6 (History of Great Britain)
 
 
151
Great Britain--History--Stuarts, 1603-1714    [sp2024050535]
 
053
DA370-DA463 (History of Great Britain)
 
451
UF Great Britain--History--17th century
 
 
151
Great Britain--History--Tudors, 1485-1603    [sp2024050534]
 
053
DA310-DA360 (History of Great Britain)
 
451
UF Great Britain--History--16th century
 
 
151
Great Britain--History--Victoria, 1837-1901    [sp2024050522]
 
053
DA550-DA56 (History of Great Britain)
 
 
150
Habit--Fiction    [Not Subd Geog]    [sp2025050008]
 
680
Here are entered works on the habits of humans and anthropomorphic animals. For works on anthropomorphic animals, assign an additional heading for the type of animal, if appropriate. Fictional works on the habits and behavior of true to life animals are assigned the heading Animal behavior--Fiction.
 
681
Note under Animal behavior--Fiction
 
 
150
Hypochondria CHANGE HEADING
 
150
Illness anxiety disorder    [May Subd Geog] CHANGE GEOG    [sp2021055384]
 
053
RC552.H8 (Internal medicine)
 
450
UF Health anxiety
 
450
UF Hypochondria [Former heading]
 
450
UF Hypochondriasis
 
550
BT Anxiety disorders
 
680
Here are entered works on the disorder in which the patient shows unrealistic and excessive fear and anxiety about potential health problems.
 
688
Heading changed from Hypochondria to Illness anxiety disorder in January 2025.
 
 
150
Lost and found possessions    [May Subd Geog] ADD GEOG    [sp 96005905 ]
 
450
UF Finding things DELETE FIELD
 
450
UF Losing things DELETE FIELD
 
450
UF Lost animals DELETE FIELD
 
450
UF Lost articles DELETE FIELD
 
450
UF Lost pets DELETE FIELD
 
450
UF Possessions, Lost and found DELETE FIELD
 
450
UF Lost and found articles ADD FIELD
 
450
UF Lost and found objects ADD FIELD
 
450
UF Lost and found things ADD FIELD
 
680
Here are entered works on losing and finding inanimate objects. Works on lost pets and domestic animals are entered under Lost pets. ADD FIELD
 
681
Note under Lost pets ADD FIELD
 
 
150
Lost pets    [May Subd Geog]    [sp2024050464]
 
450
UF Lost animals
 
450
UF Stray animals
 
450
UF Stray pets
 
550
BT Animals
 
680
Here are entered works on lost pets and domestic animals. Works on losing and finding inanimate objects are entered under Lost and found possessions.
 
681
Note under Lost and found possessions
 
 
150
Methodology    [May Subd Geog]    [sp2024050514]
 
053
BD240-BD241 (Speculative philosophy)
 
450
UF Methodologies
 
550
RT Research
 
 
150
Prader-Willi syndrome    [May Subd Geog]    [sp2024050474]
(A)
053
RJ520.P7 (Pediatrics)
 
450
UF Labhart-Willi syndrome
 
450
UF Labhart-Willi-Prader-Fanconi syndrome
 
450
UF Prader Labhart Willi syndrome
 
450
UF Royer syndrome
 
450
UF Royer's syndrome
 
450
UF Willi-Prader syndrome
 
550
BT Intellectual disability
 
550
BT Obesity
 
550
BT Syndromes
 
680
When this heading is assigned on nonfiction works, the second subject heading Syndromes is also assigned, e.g., 1. Prader-Willi syndrome. 2. Syndromes.
 
 
150
Prader-Willi syndrome--Fiction    [Not Subd Geog]    [sp2024050475]
(A)
 
150
Precognition    [May Subd Geog]    [sp2024050472]
(A)
053
BF1341 (Parapsychology)
 
450
UF Second sight
 
550
BT Clairvoyance
 
 
150
Psychology--Fiction    [Not Subd Geog]    [sp2022050183]
 
680
Here are entered works on psychology in general as well as the psychology or psychological aspects of humans and anthropomorphic animals. For works on anthropomorphic animals, assign an additional heading for the type of animal, if appropriate. Works on the psychology or psychological aspects of true to life animals are entered under Animal psychology--Fiction. ADD FIELD
 
681
Note under Sports--Psychological aspects DELETE FIELD
 
681
Notes under Animal psychology--Fiction; Sports--Psychological aspects ADD FIELD
 
 
150
Scientific method    [May Subd Geog]    [sp2024050515]
 
053
Q174-Q175.32 (Science (General))
 
450
UF Analytical method
 
450
UF Science--Methodology
 
550
BT Methodology
 
 
150
Suffrage    [May Subd Geog] CHANGE GEOG    [sp2021054356]
 
053
JF831-JF851 DELETE FIELD
 
053
JF831-JF851 (Political institutions and public administration (General)) ADD FIELD
 
053
K3295 (Law in general) ADD FIELD
 
360
SA subdivision Suffrage under classes of persons and ethnic groups DELETE FIELD
 
550
RT Plebiscite DELETE FIELD
 
550
RT Representative government and representation DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Translating and interpreting    [May Subd Geog]    [sp2024050513]
(A)
053
P306-P310 (Philology)
 
450
UF Interpretation and translation
 
450
UF Interpreting and translating
 
450
UF Langauge and languages--Translating
 
450
UF Literature--Translating
 
450
UF Translation and interpretation
 
550
BT Language and languages
 
 
150
Treasure hunt (Game) CHANGE HEADING
 
150
Treasure hunting    [May Subd Geog] CHANGE GEOG    [sp2021051184]
 
053
GV1202.T7 (Recreation)
 
450
UF Scavenger hunt (Game)
 
450
UF Treasure hunt (Game) [Former heading]
 
550
BT Adventure and adventurers
 
550
BT Games
 
688
Heading changed from Treasure hunt (Game) to Treasure hunting in January 2025.
 
 
150
Women's suffrage    [May Subd Geog]    [sp2024050511]
 
053
JF847-JF861.2 (Political institutions and public administration (General))
 
053
KF4895 (United States (General))
 
450
UF Woman enfranchisement
 
450
UF Woman suffrage
 
450
UF Women--Suffrage
 
450
UF Women--Enfranchisement
 
450
UF Women's enfranchisement
 
550
BT Suffrage
 
550
BT Women's rights