Fort Velasco and Fort Quintana, Texas site photos – http://www.civilwaralbum.com/misc10/velasco1.htm
Article on Velasco – www.tshaonline.org/handbook/online/articles/hvv07
Texas State Historical Association – www.tshaonline.org/
Cool Texas History, 1800s – http://www.cityofsurfside.com/cool-history/