145 sheets: unexecuted preliminary studies (13 sheets); notes with floor plans and front view in perspective (5 sheets in a ring binder ); design drawings (4 sheets); situation; floor plans; facades and sections (8 sheets); basement; first floor; floors (2 sheets); window frames (3 sheets); staircase; floor plan; roof; connecting wing; construction details (17 sheets); cross-sections (69 sheets); interior façade details (6 sheets); showroom entrance façade (2 sheets); other (9 sheets); first floor office roof garden design by Mien Ruys office.