1. Principles and recommendations for the 1970 housing censuses.-   Publication: New York : 1969 . 72p.- Date:1969 Availability: No items available: Withdrawn (1), Actions: Add to cart No cover image available No cover image available
2. Principles and recommendations for the 1970 housing census.-   Publication: New York : 1967 . 140p.- Date:1967 Availability: No items available: Withdrawn (1), Actions: Add to cart No cover image available No cover image available