Changes

His professional publications and lectures include ''Limantour and Mexico's Conversion to the Gold Standard'', ''Boom and Bust Along the Texas and Pacific Railroad,'' ''The Use of Female Imagery In The Selling of World War II,'' and ''North American Free Trade Agreement,  Mexico, and the 1994 Gold Rush,'' a study of the [[NAFTA|North American Free Trade Agreement]]''.<ref name=obit/>

His professional publications and lectures include ''Limantour and Mexico's Conversion to the Gold Standard'', ''Boom and Bust Along the Texas and Pacific Railroad,'' ''The Use of Female Imagery In The Selling of World War II,'' and ''North American Free Trade Agreement,  Mexico, and the 1994 Gold Rush,'' a study of the [[NAFTA|North American Free Trade Agreement]]''.<ref name=obit/>

In 1996, Aston and Ira Donathan "Don" Taylor updated and augmented Rupert Richardson's ''Along Texas Old Fort Trails.''<ref>{{cite book|url=http://www.amazon.com/Along-Texas-Forts-Trail-Aston/dp/1574410350|title=Along the Texas Forts Trail|publisher=amazon.com (paperback)|date=1997|accessdate=November 4, 2019}}</ref> Aston traveled throughout the United States, [[Canada]], and to some sixty other countries.<ref name=hsu/>​

In 1996, Aston and Ira Donathan "Don" Taylor updated and augmented [[Rupert Richardson]]'s ''Along Texas Old Fort Trails.''<ref>{{cite book|url=http://www.amazon.com/Along-Texas-Forts-Trail-Aston/dp/1574410350|title=Along the Texas Forts Trail|publisher=amazon.com (paperback)|date=1997|accessdate=November 4, 2019}}</ref> Aston traveled throughout the United States, [[Canada]], and to some sixty other countries.<ref name=hsu/>​

He served on the Landmarks Commission of the Taylor County Historical Society and the Abilene Committee for the Humanities.<ref name=obit/>

He served on the Landmarks Commission of the Taylor County Historical Society and the Abilene Committee for the Humanities.<ref name=obit/>