"In loco conflictus nostri, quem cum Cruciferis de Prusia habuimus, dicto Grunenvelt" (Sven Ekdahl [1]: The Battle of Tannenberg-Grunwald-Žalgiris (1410) as reflected in Twentieth-Century monuments, S. 175ff, in: Victor Mallia-Milanes, Malcolm Barber et. al.: The Military Orders Volume 3: History and Heritage, Ashgate Publishing, Ltd., 2008 ISBN 0-7546-6290-X 9780754662907 liber apud books.google.com)
"In loco conflictus nostri, quem cum Cruciferis de Prusia habuimus, dicto Grunenvelt" (Sven Ekdahl [1]: The Battle of Tannenberg-Grunwald-Žalgiris (1410) as reflected in Twentieth-Century monuments, S. 175ff, in: Victor Mallia-Milanes, Malcolm Barber et. al.: The Military Orders Volume 3: History and Heritage, Ashgate Publishing, Ltd., 2008 ISBN 0-7546-6290-X 9780754662907 liber apud books.google.com)
