United States. Post Office Dept. "Post route map of the state of Texas with adjacent parts of Louisiana, Arkansas, Indian Territory and of the Republic of Mexico showing post offices with the intermediate distances and mail routes in operation on the 1st of October 1891." Map. Washington, D.C.: United States Post Office Dept., 1891. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82kk12t (accessed April 25, 2024).