T. R. Fehrenback Award, Texas Historical Commission, for Civil War and Revolution on the Rio Grande
Kate Broocks Bates Award, Texas State Historical Association, for Civil War and Revolution on the Rio Grande
Scholar of the Year, College of Arts and Sciences, Texas A&M International University
Gaspar Perez de Villagra Award, Historical Society of New Mexico, for Civil War in the Southwest (Outstanding publication by an individual)
Regents Professor, Texas A&M University System Board of Regents
Barry Goldwater Award, Arizona Historical Society.
General Editor, Canseco-Keck Series ( Texas and Civil War), Texas A&M University Press.
Finalist, Spur Award ( short notification), Western Writers of America.
Second Vice President, Texas State Historical Association .
Citation, A Wild and Vivid Land: An Illustrated History of South Texas Border, San Antonio Conservation Society.
Jim Parish Award for Documentation and Publication of Local and Regional History, Webb County Heritage Foundation.
Finalist,Spur Award (Biography), Western Writers of America.
Editorial Advisory Board, Southwestern Historical Quarterly1995 -99
Editorial Advisory Board, Journal of Arizona History1995-1999
Executive Committee, Texas State Historical Association1992
Fellow, Texas State Historical Association1992
Historical Marker Award, Webb County Heritage Foundation1991
Documentation and Publication Award, Webb County Heritage Foundation1991
Meritorious Service Award, Laredo Chamber of Commerce1990
Historical Marker Award, Webb County Heritage Foundation1990
Distinguished Publication Award, Webb County Heritage Foundation1989
Earl Davis Award, Hill College, Contributions to Civil War Literature1986
Sesquicentennial Award for Series of Articles on Nineteenth Century Border Politics, Laredo News1985
Distinguished Service Award for Contributions to Regional Literature, Webb County Heritage Foundation1984
Distinguished Publication Award, Zapata County Historical Commission1981-82
President, Faculty Senate, Laredo Junior College1981
Valley Forge Honor Medal1975-87
Associate Editor, Military History of Texas and the Southwest1977-78
President, Faculty Senate, Laredo Junior College1975
Minnie Stevens Piper Nominee, Laredo Junior College1975
La Bahia Award, Second Place, Sabers on the Rio Grande1971-73
Director, South Texas Oral History Program, (Texas A&I University, Pan American University, Texas Southmost College, Southwest Texas Junior College, and Laredo Junior College)1970-71
President, Faculty Senate, Laredo Junior College1969-70
Vice President, Faculty Senate, Laredo Junior College