Books about Communism -- Soviet Union

Beasts, men and gods

Red Dusk and the Morrow: Adventures and Investigations in Red Russia

Ten Days That Shook the World

Bolshevism: The Enemy of Political and Industrial Democracy

The Crisis in Russia

My Disillusionment in Russia

The Bolsheviki and World Peace

Russia in the Shadows

"Barbarous Soviet Russia"

My further disillusionment in Russia

Journal d'une Comédienne Française sous la Terreur Bolchevik, 1917-1918 (French)

Állatok, emberek és istenek = Beasts, men and gods (Hungarian)

How much Bolshevism is there in America? : Also a series of articles entitled "Russia from the inside"

Bolshevismi ja olot Venäjällä (Finnish)