1. The Communications Infrastructure of Puerto Rico. Geographic Origin: Puerto Rico Publisher: Economic Development Administration - Commonwealth of Puerto Rico Date: 1986
3. Promueva una nueva generación. Energía eólica en Argentina. Geographic Origin: Argentina Publisher: Greenpeace Cono Sur Date: 1997
4. Telefonica's Exploitation of Colombian Workers, the US-Colombia FTA, and the Labor Action Plan. A Case Study by the Communication Workers of America. Geographic Origin: United States Publisher: Communication Workers of America (CWA) Date: 2014
5. Ubicación, límites, aspectos geográficos. Geographic Origin: Argentina Publisher: Casa del Neuquén Date: 1984-1986