1. Per capita money income for 1959, by counties of the United States Author/Creator: United States. Bureau of the Census Publication/Creation: Washington, D.C. : U.S. Government Printing Office, 1966 Resource Type: Map Access & Availability: Loading
2. Population with high school education or more : by counties of the United States: 1960 Author/Creator: United States. Bureau of the Census Publication/Creation: Washington : U.S. Govt. Print. Off., 1966 Resource Type: Map Access & Availability: Loading