The two letters presented here were submitted by Charles Negus and Shep. Leffler.
Material in the public domain. No restrictions on use.
"Crocker—When and By Whom Nominated Cadet at West Point." The Annals of Iowa 1867 (1867), 896-896.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol1867/iss3/6