TY - BOOK ED - UN. Social Affairs, Dept TI - Housing and town and country planning U1 - 711.4 CY - New York PB - UN. social Affairs KW - Country planning KW - Housing planning KW - Town planning N1 - Bull no 1 1948 Bull no 2 1949 Bull no 7 - Urban land : problems and policies. 1953 ER -