Books are arranged on the library's shelves by Library of Congress Classification. This is a system which organizes materials by general subjects. Once you have a call number from searching the library catalog, see the guide to call number locations at Mudd and the library floor maps to find out where a book might be on the shelves.
Call No. Letter & General Subject |
Call No. Letters & Selected Specific Subjects |
Location in the Mudd Library |
A -- General Works | AE General encyclopedias
AY Almanacs, directories |
Fourth Floor (map) |
B -- Philosophy, Psychology, and Religion | B Philosophy (general)
BF Psychology BL-BX Religion BM Judaism BP Islam BR Christianity BS Bible BX Denominations and sects |
Third Floor (map) |
C -- Auxiliary Sciences of History | CB History of civilization
CS Genealogy CT General biography |
Fourth Floor (map) |
D -- History (General and World) | D World history
DA Great Britain DC France DD Germany DK Russia and the former Soviet Union DP Spain DS Asia DT Africa |
Fourth Floor (map) |
E -- History of the Americas | E America, Pre-Columbian America, elements in the population, United States history | Fourth Floor (map) |
F -- History of the Americas | F United States local history, Canadian history, Latin America, South America | Fourth Floor (map) |
G -- Geography, Anthropology, Recreation | G geography (general)
GB Physical geography GE Environmental Sciences GN Anthropology GR Folklore GV Recreation |
Fourth Floor (map) |
H -- Social Sciences | HA Statistics
HB-HJ Economics HM Sociology HQ Gender studies |
Fourth Floor (map) |
J -- Political Science | JA-JC Political science
JF-JN Political institutions and public administration JS Local government JV Colonies and colonization JX International law JZ International relations |
Fourth Floor (map) |
K -- Law | K Law in general
KB Religious law in general KD-KWX Laws of individual countries and regions KZ Law of nations |
Fourth Floor (map) |
L -- Education | L Education (general)
LB Theory and practice of education LC Special aspects of education LD-LG Individual institutions by location LH College and school magazines and papers LJ Student fraternities and societies |
Fourth Floor (map) |
M -- Music and Books on Music | M Scores | Media Center (map) |
ML Literature of music
MT Musical instruction and study |
Third Floor (map) | |
N -- Fine Arts | NA Architecture
NB Sculpture NC Drawing, design ND Painting NE Print media NK Decorative arts NX Arts in general |
Third Floor (map) |
P -- Language and Literature | P Philology and linguistics
PA Greek and Latin language and literature PC Romance languages PD Germanic and Scandinavian languages PE English language PG Slavic languages PJ Eastern languages and literatures PL Languages and literatures of East Asia, Africa, Oceania PN Literature in general, including poetry, drama, and film PQ Romance literature PR English literature PS American literature PT Germanic literature PZ Juvenile literature | Third Floor (map) |
Q -- Science | QA Mathematics
QB Astronomy QC Physics QD Chemistry QE Geology QH Natural history QK Botany QL Zoology QP Physiology QM Human anatomy QR Microbiology |
Third Floor (map) |
R -- Medicine | R Medicine (general)
RA Public aspects of medicine RB-RZ Branches of medicine |
Third Floor (map) |
S -- Agriculture | S Agriculture (general)
SB Plant culture SD Forestry SF Animal culture SH Aquaculture, fisheries SK Hunting sports |
Third Floor (map) |
T -- Technology | TA-TK Engineering by category
TL Motor vehicles, aeronautics, astronautics TR Photography TS Arts and crafts, handicrafts TX Home economics, cookery |
Third Floor (map) |
U -- Military Science | UA Armies
UB Military administration UG Military engineering |
Third Floor (map) |
V -- Naval Science | VA Navies
VB Naval administration VK Navigation, merchant marine VM Naval architecture, shipbuilding |
Third Floor (map) |
Z -- Bibliography, Library Science, Information Resources | Z Books, writing, paleography, libraries, bibliography
ZA Information resources |
Fourth Floor (map) |
You can find out more about the library building by looking at our Spaces in the Library pages, or even taking a virtual tour.