Gertrud von Puttkamer
Baroness Gertrud von Puttkamer (''Gertrud Freifrau von Puttkamer'' in German; born Gertrud Günther, 4 April 1881 – 27 or 30 September 1944), also known by her pen name Marie-Madeleine, was a German writer of lesbian-themed erotic literature and homoerotic poetry. Her first book, ''Auf Kypros'', sold over one million copies during her lifetime. Provided by Wikipedia-
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