"Pipels" : Situational Homosexual Slavery of young adolescent Boys in Nazi Concentration Camps - Sommer, Robert (. Lessons and legacies ; 11. Expanding perspectives on the Holocaust in a changing world. - Evanston, Ill : Northwestern Univ. Press, 2014. - XII, 372 S.. - ISBN 978-0-8101-3090-6, 2014)