Specifications and conditions (Specification 47), contracts (among others with contractor G. Hulsebosch), state of designation at the cathedral church to be built, correspondence, budget of costs, certificates of payment signed by architect J.Th.J. Cuypers, declarations signed by G. Hulsebosch, verbatim reports of payment signed by superintendent J. Stuyt, invoices from among others Kunstwerkplaatsen Cuypers & Co, of M. van Groenendael, of Villeroy & Boch, travel expenses declarations by J.Th.J. Cuypers (draft) notes, sketches, dating 1893-1897;
Specifications and conditions (Specification 383B) for remodeling the rectory, description of materials, decisions of B&W regarding permits, dating 1927-1928.