Nr. 1634 - Joris de Meyer and Cornelis de Gois notify Jan Bicker, merchant in Amsterdam, that they have not yet received the 28 cases of sugar that they bought from Bicker some time ago in the presence of Manuel Lopes and Dr. Antonio Lopes. En NOTARIAL RECORDS IN AMSTERDÃ RELATING TO THE PORTUGUESE JEWS. In: Studia Rosenthaliana: Journal for jewish literature and history in the Netherlands, University Library of Amesterdã. Vol. 14, No. 1 (JANUARY 1980), pp. 79-102.