Lone Star State Philatelist, Volume 1, Number 14, December 3, 1894, periodical, December 3, 1894; (https://texashistory.unt.edu/ark:/67531/metapth1128953/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .