Call Numbers in the Library of Congress system
Every book, CD, and DVD in the library has a call number, which is used to locate that item on the shelf:
The letter(s) at the beginning of a call number tell you what it's about:
A · General Information
- General Information
- Encyclopedias
- Dictionaries
- Almanacs
B · Philosophy, Psychology, Religion
- B-BD Philosophy
- BF Psychology
- BL-BX Religion
C · Auxiliary Sciences of History
- CC Archaeology
- CR Heraldry
- CS Genealogy
- CT General Biography
D · History: General and Old World
- D - History (General)
- DA - Great Britain
- DAW - Central Europe
- DB - Austria - Liechtenstein - Hungary - Czechoslovakia
- DC - France - Andorra - Monaco
- DD - Germany
- DE - Greco-Roman World
- DF - Greece
- DG - Italy - Malta
- DH - Low Countries - Benelux Countries
- DJ - Netherlands (Holland)
- DJK - Eastern Europe (General)
- DK - Russia. Soviet Union. Former Soviet Republics - Poland
- DL - Northern Europe. Scandinavia
- DP - Spain - Portugal
- DQ - Switzerland
- DR - Balkan Peninsula
- DS - Asia
- DT - Africa
- DU - Oceania (South Seas)
- DX - Gypsies
E · History: United States: General
- E11-E143: U.S. pre-Columbian, Native American tribes and wars
- E151-E975: U.S. Colonial history, American Revolution, up to the present
F · History: States of the U.S.; Canada; Latin America
- F1 - F975: State & Local history of the U.S.
- F1001 - F1145.2: Canada, Latin America, and other former European colonies
G · Geography, Anthropology, Sports, & Recreation (Hint: GV · Skiing)
- G-GB Geography
- GN Anthropology
- GR Folklore
- GV Recreation, Sports, and Dance
H · Social Sciences
- HA Statistics
- HB-HJ Business and Economics
- HM-HX Sociology: Family; Race; Criminology Substance Abuse, etc.
J · Political Science
- JK Political Science in the United States
K · Law
- KF Law in the United States
- KFN Law in New Hampshire
L · Education
- LB - Theory and Practice
- LD - Individual institutions in the U.S.
- LT - Textbooks
M · Music
- M - Music
- ML - Literature about music
- MT - Instruction and study
N · Fine Arts
- NA Architecture
- NB Sculpture
- ND Painting
- NK Decorative Arts: Pottery, Antiques, Costume
P · Language and Literature
- P-PA Linguistics; Classical Languages and Literatures
- PC French Language, Spanish Language
- PE English Language
- PF German Language
- PN General Literature (Perf. Arts, Drama, Film, Theater)
- PQ French Literature; Spanish Literature
- PR English Literature
- PS American Literature
- PT German Literature
Q · Science (Hint: QC · Meteorology)
- QA Mathematics & Computer Science
- QD Chemistry
- QH-QR Natural History; Life Sciences
R · Medicine
- RD - Surgery
- RJ - Pediatrics
- RT - Nursing
S · Agriculture
- SB - Plant culture
- SD - Forestry
- SH - Aquaculture
T · Technology (Hint: TR · Photography)
- TA-TK Engineering
- TX Home Economics (Yay 1950s!)
U · Military Science
- UA - Armies
- UB - Adminitration
- UG - Military Engineering
V · Naval Science
- VD - Naval seamen
- VE - Marines
- VM - Architecture and shipbuilding
Z · Bibliography; Library Science
- Z - About books, bookmaking, the publishing industry, about libraries, and bibliography
- ZA - About various information formats and media (Internet, pictures, audio, motion pictures, etc.)