2 results filtered with: Rutgers, J. (Johannes), 1850-1924
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Eugenics and birth control / by J. Rutgers ; translated by Clifford Coudray.
Rutgers, J. (Johannes), 1850-1924.Date: 1923- Books
The sexual life in its biological significance as a dominant factor of vitality in man and woman, and in plants and animals / by J. Rutgers ; translated by Norman Haire.
Rutgers, J. (Johannes), 1850-1924.Date: [1923-1925]