JC - Political Theory 94,257
JQ - Europe 89,043
JX - International Law 73,259
JK - United States 67,175
JZ - International Relations 42,461
JS - Local and Municipal Government 37,816
JV - Colonization, Immigration 34,618
JA - Political Science 32,672
JL - Canada and Central America 32,418
JF - Public Administration 26,606
J - General Legislature 16,654
JJ - North America 34
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1