The United States Holocaust Memorial Museum Encyclopedia of camps and ghettos, 1933-1945 Volume I, Part A Early camps, youth camps, and concentration camps and subcamps under the SS-Business Administration Main Office (WVHA) - Megargee, Geoffrey P.; Wiesel, Elie; The United States Holocaust Memorial Museum <Washington DC> (Bloomington, Ind. : Indiana Univ. Press, 2009)