Juvenile literature 63 History 29 World War, 1939-1945 10 Holocaust, Jewish (1939-1945) 9 Biography 5 Causes 5 History, Modern 5 Social life and customs 5 World War 5 Jews 4 Assassination 3 Children's atlases 3 Geography 3 Miscellanea 3 World War, 1914-1918 3 African Americans 2 Atrocities 2 Campaigns 2 Concentration camps 2 Concord, Battle of, Concord, Mass., 1775 2 Genocide 2 Lexington, Battle of, Lexington, Mass., 1775 2 Pearl Harbor (Hawaii), Attack on, 1941 2 Revolutions 2 Technology 2 Women 2 Aerial operations, American 1 African American soldiers 1 African American troops 1 Alps, Swiss Switzerland 1