Russia Russian Federation 9 International relations 8 Ukraine 6 Finland 5 1917-1923 (Russian Revolutionary period) 4 Revolutions, uprisings, rebellions 4 Social and political philosophy 4 Travel writing 4 General and world history 3 History of ideas 3 Left-of-centre democratic ideologies 3 Literature: history and criticism 3 NATO 3 Regional & national history 3 Revolutionary groups and movements 3 Social & cultural history 3 human 3 Alternative belief systems 2 Bibliographies, catalogues 2 Brazil 2 Christianity 2 Colonialism & imperialism 2 Comparative politics 2 Education 2 European history 2 Finno-Ugric languages 2 Forestry 2 Globalization 2 History: earliest times to present day 2