The Dutch cartographer Petrus Bertius relied on Ptolemy for this early 17th-century atlas. Two images are presented here. A World Map and the tribes of ancient Britain and Ireland.

Citation: Theatrum Geographiae Vetus (Amsterdam, 1618-19). Marsh's Library Exhibits ‘Mapping History’ curated by Annaleigh Margey, Jason McElligott and Sue Hemmens with Armagh Robinson Library; Held by Marsh's Library (IE-DuMAL); accessed May 19, 2025, https://www.marshlibrary.ie/digi2/exhibits/show/maps/item/419