Along the Chisholm Trail - Author Glen Seeber describes the great cattle drives of the 19th century that used this trail passing through Texas, Oklahoma, and Kansas. www.texhoma.net/~glencbr
Handbook of Texas Online: Cattle Brands - A description and history of cattle brands from the Texas State Historical Association. www.tsha.utexas.edu/handbook/online/articles/view/CC/auc1.html
History of Longhorn Cattle - History of the Texas Longhorn breed of cattle known for their endurance on the trails westward. www.dfwnetmall.com/e-mag/longhorn.htm