SAA, Stadsarchief Amsterdam, NA 381/110, Nots: N. Jacobsz. Contract (Commercial credit, Loan) of Leonard de Beer, Lucas van de Venne, Francisco Pereira
SAA, Stadsarchief Amsterdam, NA 381/110, Nots: N. Jacobsz. Contract (Commercial credit, Loan) of Leonard de Beer, Lucas van de Venne, Francisco Pereira