Encyclopedia of camps and ghettos, 1933 - 1945. Vol. 1. Early camps, youth camps, and concentration camps and subcamps under the SS-Business Administration Main Office (WVHA) / vol. ed.: Geoffrey P. Megargee. Pt. B - Megargee, Geoffrey P. 1959-2020; United States Holocaust Memorial Museum (Encyclopedia of camps and ghettos, 1933 - 1945, 2009)