| A |
 |
General Works |
| B |
 |
Philosophy, Psychology, Religion |
 |
BF |
Psychology |
| C |
 |
History: Auxiliary Sciences |
| D |
 |
History: General and Old World |
| E-F |
 |
History: the Americas |
| G |
 |
Geography |
 |
GN |
Anthropology |
 |
GV |
Sports |
| H |
 |
Social Sciences |
 |
HB - HE |
Economics |
 |
HF |
Commerce, Business |
 |
HG - HJ |
Finance |
 |
HM - HX |
Sociology, Criminology |
| J |
 |
Political Science |
| K |
 |
Law |
| M |
 |
Music |
| N |
 |
Art |
| P |
 |
Language and Literature |
 |
PA |
Classical Language and Literature |
 |
PC |
Romance Languages |
 |
PE |
English Literature |
 |
PQ |
Romance Literature |
 |
PR |
English Literature |
 |
PS |
American Literature |
 |
PZ |
Juvenile Literature |
| Q |
 |
Science |
 |
QA |
Mathematics and Computer Science |
 |
QB |
Astronomy |
 |
QC |
Physics |
 |
QD |
Chemistry |
 |
QE |
Geology |
 |
QH |
Natural History, General Biology |
 |
QK |
Botany |
 |
QL |
Zoology |
| R |
 |
Medicine |
| S |
 |
Agriculture |
| T |
 |
Technology |
 |
TA |
Engineering (General), Non-destructive Testing |
 |
TH |
Building Construction, Fire Science |
 |
TK |
Electrical Engineering, Electrical Technology |
 |
TP |
Chemical Technology, Polymers & Plastics, Wines & Winemaking |
 |
TR |
Photography |
 |
TX |
Home Economics, Cookery, Food Service, Hotels & Restaurants |
| U |
 |
Military Science |
| V |
 |
Naval Science |
| Z |
 |
Bibliography and Library Science |