Scarce map of the Western Hemisphere, with California as an Island.
Issued in his: Orbis Sensualium Picti Pars Prima ... Norimbergae : In Bibliopolio Joh. Andr. Endt. Anno Salutis, MDCCLXXXI (1777).
Orbis Sensualium Pictus, a school geography, was produced from 1658 until 1887. There were single and multiple language editions.
California has not been identified as an island in an edition dated before 1777.