The slums : challenge and responseReadings in urban sociology [1927].Urban development : its implications for social welfare : proceedings of the XIIIth International Conference of Social Work, Washington, D.C., United States, September 4-10, 1966Holländische Musterstätten : persönlicher Fürsorge von Arbeitgebern für ihre GeschäftsangehörigenNairobi master plan for a colonial capital : a report prepared for the Municipal Council of NairobiGreater Copenhagen planning : statusBerkel-Enschot : retrospect 68, perspective 69English county : a planning survey of Herefordshire : a publication of the West Midland Group on Post-War Reconstruction and PlanningThe city of Manchester 1934 : how Manchester is managed : a record of municipal activity with a description of the cityRuncorn new town : master planWillesden and the new townsThe social survey of MerseysideSozial- und Gesundheitswesen : Probleme, Entwicklungstendenzen, ZieleBenelux central region : hierarchy of nuclei by level of service : 1962-1972Hierarchy of municipalitiesBritish social servicesSocial security : the story of British Social Progress and the Beveridge PlanThe United States in facts and figuresOur House in the Jordaan; a century of worker developmentThe city park as social heritageOverview of the first ten years of Kralingsche Volkshuis, hoflaan 132, Rotterdam : 1921-1931