JC - Political Theory 94,318
JQ - Europe 89,080
JX - International Law 73,246
JK - United States 67,192
JZ - International Relations 42,500
JS - Local and Municipal Government 37,838
JV - Colonization, Immigration 34,632
JA - Political Science 32,683
JL - Canada and Central America 32,426
JF - Public Administration 26,629
J - General Legislature 16,655
JJ - North America 34
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1