Sex Perfection and Marital Happiness (New York: Dial Press, c1949), by Rudolf von Urban (page images at HathiTrust)
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http://catalog.hathitrust.org/Record/009078239
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Sex Perfection and Marital Happiness (New York: Dial Press, c1949), by Rudolf von Urban (page images at HathiTrust)
New Online Books
http://catalog.hathitrust.org/Record/009078239