1. Population distribution, urban and rural : in the United States: 1960 Author/Creator: United States. Bureau of the Census Publication/Creation: Washington, D.C. : U.S G.P.O., 1963 Resource Type: Map Access & Availability: Loading
2. Portugaliae monumenta cartographica Author/Creator: Cortesão, Armando, 1891-1977, cartographer Publication/Creation: Lisboa : Imprensa Nacional-Casa da Moeda, 1987 Resource Type: Map Access & Availability: Loading