The following publication contains information about George Anson Merritt:
Article: "Playing Music on the Plains: 7th Cavalry Band Member George A. Merritt" by Douglas D. Scott • The author's study of F.J. Haynes' photo at Fort Abraham Lincoln leads to the identification of 7th Cavalry band member George A. Merritt. • Greasy Grass, Journal of the Custer Battlefield Historical & Museum Association, Vol. 20, May 2004.