Subject
China History
17
France History
13
Revolutions History
11
Revolutions
10
Industrial revolution
9
China Politics and government
7
History
7
United States History
7
Green Revolution
5
Purges
5
Revolutionaries
5
War memorials Law and legislation
5
Algeria History
4
France History Influence
4
United States Foreign relations
4
Arab Spring, 2010-
3
Cuba History
3
Paris (France) History
3
Soviet Union History
3
Students Political activity
3
United States History African Americans Monuments
3
United States History Monuments
3
Algeria Politics and government
2
Arab countries Politics and government
2
Concord, Battle of, Concord, Mass., 1775
2
Democracy History
2
Egypt History
2
Egypt Politics and government
2
Europe History
2
Europe Politics and government
2
Farms, Small
2
France Politics and government
2
Great Britain History
2
Haiti History
2
Historic sites
2
Historic sites Conservation and restoration
2
History, Modern
2
Hungary History
2
Lexington, Battle of, Lexington, Mass., 1775
2
Massachusetts
2
Mexico History
2
Morristown National Historical Park (N.J.)
2
New Jersey History
2
Political and social views
2
Revolutions in literature
2
Russia History
2
Saratoga Campaign, N.Y., 1777
2
Science History
2
Science Philosophy
2
Socialism
2
more ...