SAA, Stadsarchief Amsterdam, NA1055/41v, Nots: J. V. D. Ven. Contract (Power of Attorney) of Henrick Bibers, Jacob Maij, Cornelis Maij, Henrick van der Meulen, Jacob Pouwelsz
SAA, Stadsarchief Amsterdam, NA1055/41v, Nots: J. V. D. Ven. Contract (Power of Attorney) of Henrick Bibers, Jacob Maij, Cornelis Maij, Henrick van der Meulen, Jacob Pouwelsz