SAA, Stadsarchief Amsterdam, NA702/465, Nots: J. Warnaertsz. Contract (Power of Attorney, Loan) of Willem Bierboom, Johannes Velthuijsen, Pieter Fassin, Daniel Lestevenon, Marten Rademaker, Jeronimus Heesters,
SAA, Stadsarchief Amsterdam, NA702/465, Nots: J. Warnaertsz. Contract (Power of Attorney, Loan) of Willem Bierboom, Johannes Velthuijsen, Pieter Fassin, Daniel Lestevenon, Marten Rademaker, Jeronimus Heesters,