Typus Frisiae orientalis / auctore Ubbone Emmio.Emmius, Ubbo, 1547-1625[1635]Bar scale given in "commune milliare Germanicum".From Willem and Joan Blaeu's Theatrum orbis terrarum ... 1635.Latin text on verso; with caption title "Frisia orientalis" and signature C.Relief shown pictorially.Sheet measures 50.5 x 58.7 cm.With inscartographic