Statistics for occurrence #1 of “Drewry” in chapter 8 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

... Drewry
O. E. Hunt, Captain, United States Army The provision of muskets and cannon for the vast army of volunteers...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Drewry 215 4 1 0 0 user votes
Augustus H. Drewry 45 0 3 0 0 user votes
A. H. Drewry 21 0 3 0 0 user votes
J. W. Drewry 10 0 2 0 0 user votes
Clay Drewry 9 0 1 0 0 user votes
E. N. Drewry 7 0 1 0 0 user votes
John W. Drewry 6 0 2 0 0 user votes
Patrick Drewry 6 0 0 0 0 user votes
George M. Drewry 4 0 0 0 0 user votes
Samuel T. Drewry 4 0 0 0 0 user votes
A. P. Drewry 2 0 0 0 0 user votes
A. S. Drewry 2 0 0 0 0 user votes
Albert Drewry 2 0 0 0 0 user votes
Arthur C. Drewry 2 0 0 0 0 user votes
Ben Drewry 2 0 0 0 0 user votes
Charles F. Drewry 2 0 0 0 0 user votes
Fox Drewry 2 0 0 0 0 user votes
Geo M. Drewry 2 0 0 0 0 user votes
J. C. Drewry 2 0 0 0 0 user votes
James J. Drewry 2 0 0 0 0 user votes
N. Drewry 2 0 0 0 0 user votes
P. H. Drewry 2 0 0 0 0 user votes
R. S. Drewry 2 0 0 0 0 user votes
S. J. Drewry 2 0 0 0 0 user votes
S. T. Drewry 2 0 0 0 0 user votes
Samuel Drewry 2 0 0 0 0 user votes
Thomas C. C. Drewry 2 0 0 0 0 user votes
Thos C. C. Drewry 2 0 0 0 0 user votes
H. Clay Drewry 1 0 1 0 0 user votes
H. T. Drewry 1 0 1 0 0 user votes
J. N. Drewry 1 0 1 0 0 user votes
Virgie Drewry 1 0 1 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.