
- Author: Voice of America-Radio Marti Program, Office of Research and Policy, United States Information Agency
- Language: English
- Year: 1987

- Author: United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on International Complex.
- Language: Spanish
- Year: 1966

- Author: Michael Lewis United States Soccer Federation Inc.
- Language: English
- Year: 2012

- Author: The United States Citizenship and Immigration Services
- Language: English
- Year: 2019