History - Modern History primary sources

Date range: 19th Century
Geographical focus: Europe
Collected writings of prominent Marxists. English language.

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: 1917-1928
Geographical focus: Russia
Eyewitness and contemporary accounts of the October Revolution. English language.

Date range: 1907-1946
Geographical focus: North America
The writings of Alexandra Kollontai, in chronological order. 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.