George B. Ayres n.d. Original photographs of Abraham Lincoln published by George B. Ayres, Artist, Philadelphia. [1 of 4]
Advertisement Library of Congress, Prints and Photographs Division The Alfred Whital Stern Collection of Lincolniana, Call Number/Physical Location: Portfolio 9, no. 9, Digital Id: http://hdl.loc.gov/loc.rbc/lprbscsm.scsm0483
