Roffeveen, Arent, -1679. De Cust van Westindien van La Desconoscida tot C. Escondido, map, 1680; (https://texashistory.unt.edu/ark:/67531/metapth1000000/m1/1/: accessed February 15, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .