Series of survey drawings in print (floor plan, plan over the upper windows, south side, west side, sections, (details of the) north transept and details of the west facade) consisting of numbered sheets (I to XIV), by A. Mulder, dating 1900, scale 1 to 10, 1 to 20 and 1 to 200;
Detail drawings of pinnacles, crowning and the large church window, with dimensions, dated 1909, scale 1 in 20.