1. Haberlandt, L. Mein Leben (Ein Jahresbuch) I 1885–1930. Unpublished; in possession of Haberlandt's son, Professor Dr. Walter Haberlandt, University of Tübingen, Germany.
2. On the history of hormonal contraception. I. Ludwig Haberlandt (1885–1932) and his concept of “hormonal sterilization”;Simmer;Contraception,1970
3. Haberlandt, L. Mein Leben (Ein Jahresbuch) I 1885–1930. Unpublished; in possession of Haberlandt's son, Professor Dr. Walter Haberlandt, University of Tübingen, Germany. p. 65. This and other translations are by the author.
4. Haberlandt, L. Mein Leben (Ein Jahresbuch) I 1885–1930. Unpublished; in possession of Haberlandt's son, Professor Dr. Walter Haberlandt, University of Tübingen, Germany. p. 75. This and other translations are by the author.
5. Diskussion;Haberlandt;Arch Gynäk,1922