Die Ebstorfer Weltkarte /
Rosien, Walter,author.
"Anmerkungen und Schrifttumshinweise": pages 66-81.
Bartholomew Firm Library.
Gervase, of Tilbury, approximately 1160-approximately 1211.
Gervase, of Tilbury, approximately 1160-approximately 1211.
Ebstorfer Weltkarte.
Ebstorfer Weltkarte.