A - General Works = "A - Généralités"
B - Philosophy, Psychology, Religion = "B - Philosophie, Psychologie, Religion"
C - Historical Sciences = "C - Sciences auxiliaires de l'histoire"
D - World History = "D - Histoire du monde (sauf Amériques)"
E - United States History = "E - Histoire des Amériques (États-Unis)"
F - General American History = "F - Histoire des Amériques (autres pays)"
G - Geography, Anthropology, Recreation = "G - Géographie, Anthropologie, Loisirs"
H - Social Science = "H - Sciences sociales"
J - Political Science = "J - Sciences politiques"
K - Law = "K - Droit"
L - Education = "L - Éducation"
M - Music = "M - Musique"
N - Fine Arts = "N - Beaux-Arts"
P - Language and Literature = "P - Linguistique et Littérature"
Q - Science = "Q - Sciences"
R - Medicine = "R - Médecine"
S - Agriculture = "S - Agriculture"
T - Technology = "T - Technologie"
U - Military Science = "U - Sciences militaires"
V - Naval Science = "V - Sciences navales"
Z - Library Science = "Z - Bibliographie, Bibliothéconomie, Sources d'information"