B = Philosophy
BF = Psychology
BJ = Ethics
E = Indigenous Studies
FC = Canadian History
H = Social Sciences
HM = Sociology (General)
HN = Social history and conditions. Social problems. Social reform
HQ = Family. Marriage. Women
HT = Communities. Classes. Races
KE = Canadian Law
KEO = Ontario Law
M = Music
Q = Sciences, General
QM = Human Anatomy
QP = Physiology
R = Medicine (General)
RA = Public Aspects of Medicine
RB = Pathology
RC = Internal Medicine (Affective Disorders)
RD = Surgery
RE = Ophthalmology
RF = Otorhinolaryngology
RG = Gynecology and Obstetrics
RJ - Pediatrics
RK = Dentistry
RL = Dermatology
RM = Therapeutics, Pharmacology
RS = Pharmacy and Mateira Medica
RT = Nursing
RT 120 L64 = Long-term care
RV = Botanic, Thomsonian and Eclectic Medicine
RX = Homeopathy
RZ = Other systems of Medicine