Documentary reference:
SAA, Stadsarchief Amsterdam, NA 34/115- 116, Nots: J. Gijsbertsz. Contract (Agreement, Power of attorney, Commercial credit) of Cornelis Snellinck, Jacob Jansz Vinck, Peter van der Moer, Peter Lijtges, Jan Claes Cloeck, Peter Jan Sijvertsz, Jan van Baerle, Caspar Conget, Emanuel Rodrigo Vega, Francisco Pinto de Britto, Peter Coymans, Duarte Fernandes