Date range: 19th-20th Centuries Geographical focus: North America Marxist ebooks formatted for download onto ereaders and mobile devices, mostly Kindle. English language.
Date range: 1920s Geographical focus: Russia American Anarchist Emma Goldman's account of her visit to Russia in 1920-1921, and the state of the Soviet Government. English language.
Date range: 1945-1991 Geographical focus: International A timeline of Cold War history and a digital collection of archival material relating to the Cold War, from a number of different countries. English language.