JC - Political Theory 94,209
JQ - Europe 88,978
JX - International Law 73,238
JK - United States 67,162
JZ - International Relations 42,440
JS - Local and Municipal Government 37,799
JV - Colonization, Immigration 34,604
JA - Political Science 32,633
JL - Canada and Central America 32,412
JF - Public Administration 26,597
J - General Legislature 16,647
JJ - North America 34
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1