1856 Eleventh & Ridge, Philadelphia, Pennsylvania.
William R. H. Sailer/Sailor was recorded in the Photographic and fine Arts Journal (New York, New York) on April 1, 1856 in an article entitled the Photographic Galleries of America. Number Two, Philadelphia. The author visited 57 Galleries in Philadelphia.
Sailer. — We must pass this artist in silence and tears.
William R. H. Sailer/Sailor is listed in other photographic directories but is included here because of the first hand account of his work. William R. H. Sailor is recorded in Directory of Philadelphia Photographers 1839-1900. 1856 SW 11th & R; 1857 225 N. 2nd; 1858-1861 323 N. 2nd.
 Not all first names or complete addresses were recorded in article. Directory of Pennsylvania Photographers, 1839-1900 (Linda A. Ries & Jay W. Ruby) and Craig’s Daguerreian Registry was used to assist in identification when possible first name and address were added.