1. Africa 1:2,000,000, Series 2201. Sheet 16, Monrovia Author/Creator: United States. Defense Mapping Agency. Hydrographic/Topographic Center Publication/Creation: Washington, D.C. : The Center, 1983 Resource Type: Map Edition: Ed. 4-DMA, 1-83. Access & Availability: Loading
2. Africa 1:2,000,000, Series 2201. Sheet 20, Ādīs Ābeba Author/Creator: United States. Defense Mapping Agency. Hydrographic/Topographic Center Publication/Creation: Washington, D.C. : The Center, 1980 Resource Type: Map Edition: Ed. 7-DMA, 8-80. Access & Availability: Loading
3. Nicaragua : official standard names approved by the United States Board on Geographic Names Publication/Creation: [Washington] : U.S. Board on Geographic Names : [Available from the Center], 1976 Resource Type: Book Edition: 2d edition. Access & Availability: Loading