The 'Fixed and Indissoluble' Contract of the Guild of Printers and Booksellers, Leiden (1660)
Source: Regionaal Archief Leiden, Oud Notarieel Archief, 506, inventarisnummer 674 (Archief van notaris Nicolaes Paets), no. 123 of 10 November 1660 (276-279)
Citation: The 'Fixed and Indissoluble' Contract of the Guild of Printers and Booksellers, Leiden (1660), Primary Sources on Copyright (1450-1900), eds L. Bently & M. Kretschmer, www.copyrighthistory.org