SAA, Stadsarchief Amsterdam, NA 486A/63, Nots: G. Cocq. Contract (Power of attorney) of Jan Dircksz, Gerrit Nijsen, Willem Dircksz, Hendrick Dircksz, Cornelis van Parcyn, Berent Warnaerse
SAA, Stadsarchief Amsterdam, NA 486A/63, Nots: G. Cocq. Contract (Power of attorney) of Jan Dircksz, Gerrit Nijsen, Willem Dircksz, Hendrick Dircksz, Cornelis van Parcyn, Berent Warnaerse