SAA, Stadsarchief Amsterdam, NA 742/10, Nots: H. Bruijningh. Contract (Freight contract, Power of attorney) of Hendrick Broen, Gommer Sprangers, Hans van der Merkt, Claes Claesz
SAA, Stadsarchief Amsterdam, NA 742/10, Nots: H. Bruijningh. Contract (Freight contract, Power of attorney) of Hendrick Broen, Gommer Sprangers, Hans van der Merkt, Claes Claesz