JC - Political Theory 94,596
JQ - Europe 89,406
JX - International Law 73,311
JK - United States 67,235
JZ - International Relations 42,687
JS - Local and Municipal Government 37,942
JV - Colonization, Immigration 34,764
JA - Political Science 32,785
JL - Canada and Central America 32,488
JF - Public Administration 26,716
J - General Legislature 16,669
JJ - North America 34
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1