- Detroit Publishing Co., Publisher, photographer by Jackson, William Henry. Salt Lake City, Utah. ca. 1896. Image. Retrieved from the Library of Congress, <https://www.loc.gov/item/det1994008708/PP/>.
- Williams, J. W., Active 1879, and Root & Tinker. New York. New York, Root & Tinker, 1879. Map. Retrieved from the Library of Congress, <https://www.loc.gov/item/75694817/>.
- Detroit Publishing Co., Publisher, photographer by Jackson, William Henry. Capitol, Washington, D.C., The. [Between 1880 and 1897] Image. Retrieved from the Library of Congress, <https://www.loc.gov/item/det1994003539/PP/>.
- Bain News Service, Publisher. Beggar, New York City. [no Date Recorded on Caption Card] Image. Retrieved from the Library of Congress, <https://www.loc.gov/item/ggb2004000095/>.
- Library of Congress Prints and Photographs Division Washington, D.C. 20540 USAhttp://hdl.loc.gov/loc.pnp/pp.print
- New-York tribune. (New York [N.Y.]), 05 March 1916. Chronicling America: Historic American Newspapers. Lib. of Congress. <http://chroniclingamerica.loc.gov/lccn/sn83030214/1916-03-05/ed-1/seq-55/>