JC - Political Theory 94,407
JQ - Europe 89,171
JX - International Law 73,262
JK - United States 67,200
JZ - International Relations 42,570
JS - Local and Municipal Government 37,882
JV - Colonization, Immigration 34,671
JA - Political Science 32,717
JL - Canada and Central America 32,445
JF - Public Administration 26,664
J - General Legislature 16,664
JJ - North America 34
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1