Photograph of Bab al-Nasr seen from Sharia al-Muizz from the K. A. C. Creswell Islamic Architecture Collection
<bdi><a href="https://en.wikipedia.org/wiki/en:K._A._C._Creswell" class="extiw" title="w:en:K. A. C. Creswell"><span title="English architectural historian">K. A. C. Creswell</span></a>
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<a rel="nofollow" class="external text" href="http://digitalcollections.aucegypt.edu/cdm/singleitem/collection/p15795coll14/id/133/rec/40">K.A.C. Creswell Photographs of Islamic Architecture</a>; Rare Books and Special Collections Library; the American University in Cairo