sexual proclivities during the American Civil War
... that only three novels catering to soldiers' sexual proclivities during the American Civil War are known to still exist?
... that only three <a href="./Novel" id="mwBc0" rel="mw:WikiLink" title="Novel">novels</a> catering to soldiers<span id="mwBc4" typeof="mw:Nowiki">'</span> <b id="mwBc8"><a class="mw-redirect" href="./Sex_in_the_American_Civil_War" id="mwBdA" rel="mw:WikiLink" title="Sex in the American Civil War">sexual proclivities during the American Civil War</a></b> are known to still exist?