"KZ-Kommandant, SS-Standartenführer. Since 1935 head of the Wachtrupp of Esterwegen concentration camp, commander (Kommandant) of Columbiahaus in Berlin, since April 1936 commander of Esterwegen concentration camp. Since Aug 1, 1937 commander of Buchenwald, January to August 1942 commander of Lublin-Majdanek death camp."@en . "Das Personenlexikon zum Dritten Reich / E. Klee. - Frankfurt am Main : S. Fischer, 2003. - p. 323-324"@en . "02/08/1897\n\n05/04/1945" . . . . . "Koch Karl Otto" . .