General & world history History 10 European history 7 History of the Americas 4 History: earliest times to present day 3 20th century history: c 1900 to c 2000 2 Archaeology 2 Asian history 2 History: specific events & topics 2 History: theory & methods 2 Military history 2 Modern history to 20th century: c 1700 to c 1900 2 Politics and government 2 Regional & national history 2 history 2 20th century 1 20th century history 1 20th century; science 1 ART 1 Achaemenid Empire 1 Acquisitions (Libraries) 1 African history 1 Age of Revolutions 1 Allied bombing raids of World War II;Anzio;Benito Mussolini;Franklin D. Roosevelt;Rome: Open City;The Battle of San Pietro 1 Alternative lifestyles 1 American history 1 Ancient history: to c 500 CE 1 Arabes 1 Arabs 1 Archaeology by period / region 1