SOURCE-14185Research NeededProbable
L C Geerts, "The history of Holland and the story of its ancient Capital and Res...
Full citation
L C Geerts, "The history of Holland and the story of its ancient Capital and Residence Dordrecht Part 1 From the year 993 to 1222", Holland history pages, http://geerts.com/index.php/dordrecht/history-of-dordrecht-1, accessed 22 August 2015.