1972 Census of Governments: Local government in metropolitan areas. v. 6. Topical studies. no. 1. Employee retirement systems of state and local governments. no. 2. State reports on state and local government finances. no. 3. State payments to local governments. no. 4. Historical statistics on governmental finances and employments. 4 v. no. 5. Graphic summary of the 1972 census of governments