Classmark scheme

You may find it useful to look at our general using classmarks and browsing the shelves page.

Please note: a print version of this classmark scheme summary is available in the Library at the Information Display.

Q	SCIENCE (general)
QA	Mathematics
QA75-76	Computer science
QB	Astronomy
QC	Physics
QD	Chemistry
QE	Geology
QH	Biology
QP	Physiology (including neurophysiology)
T	TECHNOLOGY (general)
TA	Engineering (general); Civil engineering (general)
TC	Hydraulic engineering
TD	Environmental technology; Sanitary engineering
TE	Highway engineering
TF	Railway engineering
TG	Bridge engineering
TH	Building construction
TJ	Mechanical engineering; Machinery
TK	Electrical engineering; Electronics; Nuclear engineering
TL	Motor vehicles; Aeronautics; Astronautics
TN	Mininng; Metallurgy
TP	Chemical engineering
TR	Photography
TS	Manufactures; Production engineering

OTHER PARTS OF THE CLASSIFICATION SCHEME
A	General works
B	Philosophy; Psychology; Religion
C	Auxiliary sciences of history
D-F	History
G	Geography; Anthropology; Recreation
H-HJ	Economics
HM-HX	Sociology
J	Political science
K	Law
L	Education
M	Music
N	Fine arts
P	Linguistics and literature
Q	Science
R	Medicine
S	Agriculture
T	Technology
U	Military science
V	Naval science
Z	Bibliography; Library science
See left for more details of Q and T