Referencia documental:
SAA, Stadsarchief Amsterdam, NA 379/633- 633v, Nots: N. Jacobs. Contract (Power of attorney, Insurance) of Albert Schuijt, Henrick Thibaut, Manuel Carvalho, Duarte Esteves Pina, Johan van Tongeren, Gaspar Luis, Estevao da Costa, Christoffel Bras