1753. van Keulen, Johannes, 1704-1755. Cartographic Details: Scale [1:70,000] (E 96°45'--E 96°59'/S 11°47'--S 12°15'). Relief shown by soundings. Possibly from: De Nieuwe Groote Lichtend... Joannes van Keulen; Amsterdam.
1720. van Keulen, Johannes, 1654-1715. Cartographic Details: Scale approximately 1:633,600 ; (E 72°51'00"--E 73°44'00"/N 1°04'00"--S 0°01'00"). Date from previous call number. Relief sho... Joannes van Keulen; Amsterdam.