Ram, Johannes de, 1648-1693. Novissima et accuratissima totius Americæ descriptio, per Ioannem de Ram., map, [1675..1695]; (https://texashistory.unt.edu/ark:/67531/metapth251741/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .

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