JC - Political Theory 98,670
JQ - Europe 92,631
JX - International Law 74,477
JK - United States 69,160
JZ - International Relations 46,196
JS - Local and Municipal Government 38,727
JV - Colonization, Immigration 36,653
JA - Political Science 34,764
JL - Canada and Central America 33,447
JF - Public Administration 28,889
J - General Legislature 17,329
JJ - North America 36
B - Philosophy 1
DU - Oceania (South Seas) 1
Q - General Science 1
Z - Books and Writing 1