Collection of the Rijksbureau voor Diamant (Diamond Industry Office of the Netherlands), 1940-1954 Establishment of the Rijksbureau voor Diamant by the Germans, as a department of the Rüstungsinspektion Niederlande for the promotion of the industry in the Netherlands in 1940; the Rijksbureau voor Diamant was given the responsibility for the registration of all of the diamonds in the Netherlands and the issuing of permits for all actions related to the diamond industry and diamond trade; Included in the collection: Forms/questionnaires of the Rijksbureau voor Diamant (government bureau for diamonds) of the Ministry of Commerce, Industry and Shipping, regarding permits for the purchase and sale, polishing, or all other processing of diamonds, from the property of Jewish diamond dealers in the Netherlands, arranged in alphabetical order according to the names of the Jewish diamond dealers or the names of their businesses, 1943-1944; Requests written on forms of the Rijksbureau voor Diamant that were submitted by the trustees-liquidators of Rozenhardt & Co and H. Stahlberg; Included on the forms are data such as the diamonds' volume, weight by karat, average size, karat price, overall price, description of the diamonds' quality, the name of the Jewish diamond dealer, and the name of the trustee company.