Maris Pacifici (quod vulg ̣Mar del Zur) : cum regionibus circumiacentibus, insulisque in eodem passim sparsis, novissima descriptio., map, 1589; (https://texashistory.unt.edu/ark:/67531/metapth251684/m1/2/: accessed September 28, 2023), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .