Pollitt, H. W. W. Colonial road problems; impressions from visits to Nigeria. - London, H. M. Stationery Off., 1950. - viii, 36 p. illus., maps (1 fold.) 25 cm. - Colonial research publications, no. 8 . Subjects--Topical Terms: MCERoads--Nigeria. Dewey Class. No.: 625.7 / POL