Hartmann, Grethe. The Girls they left behind : : an investigation into the various aspects of the German troops, sexual relations with Danish subjects / [electronic resource] / by Greth Hartmann.. — Copenhagen : : Munksgaard,, 1946.. — 207 p. Subjects--Topical Terms: Sexually transmitted diseases--Denmark.Prostitution--Denmark. Subjects--Geographic Terms: Denmark--History--German occupation, 1940-1945. LC Class. No.: HQ219 / .H333 1946