Floor plans, facades, views, cross-sections and details of center tower, hood, cornice, gallery and staircase courtyard, courtyard floor, bridge, lock-up gate, wooden staircase, secretarial offices, paneling council chamber, balustrade council chamber, balustrade types, windows and frames, door hardware, signed by G. de Hoog Hz., dating 1936-1937, 1941-1944, 1947, scale 1 to 1, 1 to 20, 1 to 50.