- 32 Numbered specification drawings (specification 888): situations, floor plans, cross-sections, façades, joists, interior finishes, windows, doors and frames, and technical details, quoting Arch. Bureau Joseph and Pierre Cuypers, dated 1949, scale 1 to 1, 1 to 20, 1 to 50, 1 to 100, 1 to 1250;
- 17 Numbered specification drawings (specification 907) showing 3 design variants for the facades and floor plans: floor plans, cross-sections and facades, quoting Arch. Bureau Joseph and Pierre Cuypers, dated 1950, scale 1 in 100.