Referencia documental:
SAA, Stadsarchief Amsterdam, NA 164/162, Nots: J. F. Bruijningh. Contract (Commercial credit, Power of attorney) of Claes Jacobsz Harincarspel, Nicolaes du Gardijn, Laurens Joosten Baeck, Leonard de Beer, Francisco Gomes Pinto, Jacob Adamsen, Manuel Fernandes Barros