ISBN 9781841767123 books & textbook
Crusader Castles of the Teutonic Knights, Vol. 2: The Stone Castles of Latvia and Estonia, 1185-1560 (Fortress 19)
Turnbull, Stephen Dennis, Peter
Osprey Publishing /2004-05-25 Paperback / 64 Pages
isbn-10: 1841767123 / isbn-13: 9781841767123
