New York Civil War Round Table Fletcher Pratt Award for the best book of nonfiction on the Civil War published in 1994.
Daughters of the American Revolution History Award Medal, “in recognition of contributions that significantly advance the understanding of our nation’s past through the study and promotion of an aspect of American history” —1998.
Grady McWhiney Award of Merit “for significant contributions to the scholarship and preservation of Civil War History” — 2000.
Induction as a member into the Texas Institute of Letters, “for outstanding contributions to a literary Texas” — 2011.
Fort Worth Civil War Round Table Pate Distinguished Service Award “in recognition of outstanding contributions to Civil War History” — 2012.
Houston Civil War Round Table Frank E.. Vandiver Award of Merit — 2013.