Cover title. Accompanied by index: Rotterdam (31 p. ; 22 cm.), including supplementary map sheet with 4 maps: Hoek van Holland, Spijkenisse, Beverwaard, Zevenkamp. 1 sheet : both sides, col. ; 57 x 22 cm., folded to 22 x 12 cm., attached to inside back cover [and] supplementary map sheet: Rotterdam, [Metro-area index map]1 sheet : col. ; 17 x 19 cm., folded to 18 x 10 cm., with advertisements on verso, attached to inside front cover. Includes inset. On map sheet in lower right margin: 171.