- Heredia, Jose Maria, 1803-18391
- Hernandez, Miguel, 1893-19571
- Hernández, Juan José, fl. 18221
- Herrera y Tordesillas, Antonio de, -1625.1
- Herrera, Simon de, d. 18121
- Hersey, John, 1914-19931
- Homann Erben (Firm)1
- Huidobro, Vicente, 1893-19481
- Iberri, José Ignacio1
- Inciarte, José Felipe1
- Instituto Geográfico Nacional (El Salvador)1
- Isaba, Marcos de1
- Iturbide, Agustin de, 1783-18241
- Iturbide, Agustín de, 1783-18241
- Jarauta, Celedonio Dómeco de, 1814-18481
- Juana Inés de la Cruz, Sister, 1651-16951
- Kappus, Marcos Antonio, 1657-17171
- Langren, Arnold Florent van, 1580-16441
- Laplante, Edard de1
- León, Alonso de, approximately 1610-16611
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