This research guide is intended for all levels of research into the languages and literatures of Spain and Portugal on the Iberian peninsula and in regions colonized and settled by Spanish and Portuguese peoples. In addition to instructions in Spanish and Portuguese Langauges and Literatures UC San Diego collaborates with San Diego State University to offer courses in major indigenous languages of the Americas, including Aymara, Zapotec, and Mixtec. UCSD offers various courses in Mayan language and culture.
Mango Languages, offered via the UCSD LInguistics Department is also a great online resource.
Map showing the historical retreat of Arabic and Galician (Galician-Portuguese) languages and the rise of Castillian in relationship to their linguistic neighbours between the year 1000 and 2000.