Theodoor Hendrik van de Velde (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Theodoor Hendrik van de Velde" in Polish language version.

refsWebsite

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2books.google.com

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books.google.com

Gerhard Bettendorf: Zur Geschichte der Endokrinologie und Reproduktionsmedizin: 256 Biographien und Berichteł, s. 592 w serwisie Google Books
Vern L. Bullough, Bonnie Bullough: Human Sexuality: An Encyclopedia, s. 601 w serwisie Google Books

worldcat.org

Most widely held works about Theodoor H. van de Velde. OCLC. [dostęp 2018-06-26]. (ang.).