Elevator in Rotterdam Maashaven 1922 31 x 42 cm. Rotterdam Furwessteiger Maashaven 1922 53 x 37 cm. Rotterdam Harbour c 1915 39 x 49 cm. Rotterdam Katendrecht c 1918 24 x 16cm. Rotterdam Massbrug c 1930 50 x 62 cm. Rotterdam Maashaven c 1920 41 x 60 cm. Rotterdam Maashaven 1922 31 x 42 cm. The Thames with Black Frier Bridge 1927 18 x 27 cm. London Black Friars Bridge 1927 18 x 26 cm.