SAA, Stadsarchief Amsterdam, NA 197/479v- 480v, Nots: J. F. Bruijningh. Contract (Statement) of Hans Broens, Jan de Vrije, Melchior van den Kerckhove, Pieter van der Haegen
SAA, Stadsarchief Amsterdam, NA 197/479v- 480v, Nots: J. F. Bruijningh. Contract (Statement) of Hans Broens, Jan de Vrije, Melchior van den Kerckhove, Pieter van der Haegen