SAA, Stadsarchief Amsterdam, NA 522/98-99v, Nots J. Westfrisius, Contract (Statement, Power of Attorney, Labor Contract), Hendrick Broen, Simon van der Does, Marcus van Valckenburgh, Pieter Romswinckel, Samuel Halters
SAA, Stadsarchief Amsterdam, NA 522/98-99v, Nots J. Westfrisius, Contract (Statement, Power of Attorney, Labor Contract), Hendrick Broen, Simon van der Does, Marcus van Valckenburgh, Pieter Romswinckel, Samuel Halters