Logo of <a href="https://en.wikipedia.org/wiki/Ballantine_Books" class="extiw" title="w:Ballantine Books">Ballantine mail sales department</a>
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;">Unknown</div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:%E7%97%9B" title="User:痛">燃灯</a></div>
Own work based on: <a href="https://en.wikisource.org/wiki/Page:The_Case_of_Charles_Dexter_Ward_-_Lovecraft_-_1971.pdf/130" class="extiw" title="s:Page:The Case of Charles Dexter Ward - Lovecraft - 1971.pdf/130">s:Page:The Case of Charles Dexter Ward - Lovecraft - 1971.pdf/130</a>