Call Number Guide

All books are on the Lower Level of the Crerar Building. See the Crerar Lower Level Floorplan for layout.

Call Number Subject Guide (courtesy the Library of Congress)
Q Science (General)
QA Mathematics
QB Astronomy
QC Physics
QD Chemistry
QE Geology
QH Natural History - Biology
QK Botany
QL Zoology
QM Human Anatomy
QP Physiology
QR Microbiology
R Medicine - General
RA Public aspects of medicine
RB Pathology
RC Internal Medicine
RD Surgery
RE Ophthalmology
RF Otorhinolaryngology
RG Gynecology and obstetrics
RJ Pediatrics
RK Dentistry
RL Dermatology
RM Therapeutics/Pharmacology
RS Pharmacy and materia medica
RT Nursing
RV Botanic, Thompsonian, and eclectic medicine
RX Homeopathy
RZ Other systems of medicine
S Agriculture - general
SB Plant culture
SD Forestry
SF Animal culture
SH Aquaculture
SK Hunting sports
T Technology - general
TA Engineering - civil engineering
TC Hydraulic engineering
TD Environmental technology. Sanitary engineering.
TE Highway engineering. Roads and pavements
TF Railroad engineering and operation
TG Bridge engineering
TH Building construction
TJ Mechanical engineering and machinery
TK Electrical engineering. Electrics. Nuclear engineering
TL Motor vehicles. Aeronautics. Astronautics
TN Mining engineering. Metallurgy
TP Chemical technology
TR Photography
TS Manufacturing
TT Handicrafts. Arts and crafts
TX Home economics
LC Oversize (Q - TX) Oversized books with a Library of Congress call number
Dewey Decimal Oversize Oversized books with a Dewey Decimal call number
Dewey Decimal 000-999 Primarily historical texts in a variety of subjects
Harvard-Yenching Primarily older Chinese language publications in the Sciences
Non LC-classed M and T Temporary classification for a variety of science and tech. publications

Dewey Decimal 000-999

Books with Dewey Decimal System call numbers are shelved on the lower level after the Library of Congress call numbers (Q-TX) and non-Library of Congress Ms and Ts. Many books in the Dewey Collection have an L or other letter preceding the call number indicating the item is a larger than standard size, but most of these are shelved with the regular sized material.