Katharine Bement Davis
... that Progressive era social reformer Katharine Bement Davis did research on the sexual practices of females in New York City?
... that <a class="mw-redirect" href="./Progressive_era" id="mwEWg" rel="mw:WikiLink" title="Progressive era">Progressive era</a> <a class="mw-redirect" href="./Social_reformer" id="mwEWk" rel="mw:WikiLink" title="Social reformer">social reformer</a> <b id="mwEWo"><a href="./Katharine_Bement_Davis" id="mwEWs" rel="mw:WikiLink" title="Katharine Bement Davis">Katharine Bement Davis</a></b> did research on the sexual practices of females in New York City?