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 (paperback)|publisher=amazon.com|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 (paperback)|publisher=amazon.com|date=1997|accessdate=November 4, 2019}}</ref> Aston traveled throughout the United States, [[Canada]], and to some sixty other countries.<ref name=hsu/> |