4 results filtered with: Knaus, Hermann H., 1892-1970
- Books
Die Physiologie der Zeugung des Menschen / von Hermann Knaus.
Knaus, Hermann H., 1892-1970.Date: 1950- Books
Periodic fertility and sterility in woman : a natural method of birth control / by Hermann Knaus ; authorized English translation by D.H. Kitchin and Kathleen Kitchin.
Knaus, Hermann H., 1892-1970.Date: 1934- Books
Lawful birth control : according to nature's law, in harmony with Catholic morality / by John A. O'Brien, with the assistance of Herman Knaus, Raoul de Guchteneere, Henry Schmitz.
O'Brien, John A. (John Anthony), 1893-1980.Date: 1934- Books
Lawful birth control : according to nature's law in harmony with Catholic morality / by the Rev. John A. O'Brien, Ph.D ; with the assistance of Dr. Raoul de Guchteneere, Dr. Herman Knaus, Dr. Henry Schmitz.
O'Brien, John A. (John Anthony), 1893-1980Date: 1934