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Books about Hartjen:
Study guide to accompany Sociology, focus on society [by] Lucile Duberman, Clayton A. Hartjen by John C Touhey (1979)
Teacher's manual for Possible trouble, an analysis of social problems, by Clayton A. Hartjen by S Priyadarsini (1977)
Wiki information Hartjen:
Friedrich "Fritz" Hartjenstein was an SS-Obersturmbannführer in the SS-Totenkopfverbände. He worked at various Nazi concentration camps such as Auschwitz and Sachsenhausen. After the Second World War, he was tried for war crimes and found guilty for...