Statistics for occurrence #1 of “Custer” in chapter 11 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

... Custer
Theo. F. Rodenbough, Brigadier-General, United States Army (Retired) This photograph shows Sheridan and...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
George Armstrong Custer 130 76 6 2 0 user votes
George A. Custer 955 0 25 0 0 user votes
Custer 705 0 117 0 0 user votes
G. A. Custer 109 0 5 0 0 user votes
Mosby Indicts Custer 37 0 1 0 0 user votes
Elizabeth Bacon Custer 16 0 0 0 0 user votes
Gen Custer 8 0 0 0 0 user votes
Geo Custer 3 0 1 0 0 user votes
J. W. Custer 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.