Scan from the book <i>Sex and the Love-Life</i> from William J. Fielding (Page 20 (MG AAB 991))
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William J. Fielding (1886-1974)</div>
<bdi><a href="https://www.wikidata.org/wiki/Q15734302" class="extiw" title="d:Q15734302"><span title="university library">Maastricht University Library</span></a>
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