Keywords: 1680 Erzerum map Turcicum imperium by Frederik de Wit BPL 15917 detail.png Detail of map Turcicum imperium Author Wit Frederik de Publisher Wit Frederik de Date 1680 Scale ca 1 11 800 000 Boston Public Library Map Center Boston Massachusetts USA / http //maps bpl org/id/15917 1680 Frederik de Wit PD-old-100 Maps of Erzurum Province |