Encyclopedia of camps and ghettos, 1933-1945. 1,A. Early camps, youth camps, and concentration camps and subcamps under the SS-Business Administration Main Office (WVHA), part A - Megargee, Geoffrey P. 04.11.1959-01.08.2020 Herausgeber; United States Holocaust Memorial Museum (Encyclopedia of camps and ghettos, 1933-1945, 2009)