The Spanish Civil War (1936–39) was the bloodiest conflict western Europe had experienced since the end of WWI in 1918. It was a breeding ground for mass atrocities.
Art During the Holocaust
Where Murder Was a Way of Life: The Mauthausen Concentration Camp, The National WWII Museum
The Immigration of Refugee Children to the United States
United States Holocaust Museum – The Indiana History Blog
Spanish Civil War, Definition, Causes, Summary, & Facts
The Last Days of the Dachau Concentration Camp, The National WWII Museum
The Earth Endureth Forever”: Hemingway in Spain - The Volunteer
World War II: The Encyclopedia of the War Years, 1941-1945 (Dover Military History, Weapons, Armor): Polmar, Norman, Allen, Thomas B.: 9780486479620: : Books
The Last Days of the Dachau Concentration Camp, The National WWII Museum
The Spanish Holocaust,' by Paul Preston - The New York Times
More than a 'Tune Up' to World War II, by US Holocaust Museum
Teacher Training - The Florida Holocaust Museum
Modern History - Europe