<a href="https://en.wikipedia.org/wiki/Church_of_the_Advocate" class="extiw" title="w:Church of the Advocate">Church of the Advocate</a>, a <a href="https://en.wikipedia.org/wiki/National_Historic_Landmark" class="extiw" title="w:National Historic Landmark">National Historic Landmark</a> in <a href="https://en.wikipedia.org/wiki/Philadelphia" class="extiw" title="w:Philadelphia">Philadelphia</a>, Pennsylvania
Unknown author<span style="display: none;">Unknown author</span>
Unknown date<div style="display: none;">Unknown date</div>
Library of Congress, Historic American Buildings Survey: <a rel="nofollow" class="external text" href="http://loc.gov/pictures/item/pa3865/">HABS PA,51-PHILA,734-2</a>