found: His The story of the U.S. cavalry, 1775-1942, 1984, c1953:CIP t.p. (Major General John K. Herr, retired, last Chief of Cavalry, U.S.A.)
found: OCLC #53007319, 3/18/98(hdg.: Herr, John Knowles, 1878- ; usage: John K. Herr)
found: WWW wikipedia.com, viewed Aug. 18, 2017(John K. Herr; born Oct. 1, 1878 in Readington Township, N.J.; died on Mar. 12, 1955, in Washington, D.C.; served for 40 years in the U.S. Cavalry; participated in WWI as chief of staff of the 30th Division; the last Chief of U. S. Cavalry)
