1. Age of Extremes
   The Short Twentieth Century 1914 - 1991
   Resource Type: Book
   Published: 1997
   A overview of the history of the years 1914 - 1991.

Experts on History/Twentieth Century in the Sources Directory

1. Canadian Encyclopedia
2. Connexions Library
3. Deutsches Historisches Museum
4. Marxists Internet Archive
5. National Archives of the United States