JC - Political Theory 94,414
JQ - Europe 89,181
JX - International Law 73,266
JK - United States 67,202
JZ - International Relations 42,579
JS - Local and Municipal Government 37,884
JV - Colonization, Immigration 34,671
JA - Political Science 32,716
JL - Canada and Central America 32,447
JF - Public Administration 26,665
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