Wiley Online Library

These reference works are available through Wiley Online Library (click Wiley Online above): 

• A Companion to Latin American Anthropology
• Wiley contains a number of works on anthropology and archaeology in Mesoamerica, Latin America & the Caribbean

Oxford Reference

These reference works are available through Oxford Reference (click Oxford Reference above):

• The Oxford Encyclopedia of Mesoamerican Cultures
• Oxford Encyclopedia of Latinos and Latinos in the United States
• Oxford Companion to Archaeology (2 ed) 

Credo Reference

These reference works are available through Credo (click Credo General Reference above):

• Encyclopedia of Mexico: History, Society & Culture
• Mexico: An Encyclopedia of Contemporary Culture and History
• A Companion to Hispanic Studies
• Companion to Latin American Studies
• Iberia & the Americas: Culture, Politics, and History

Blackwell Reference Online

These reference works are available through Blackwell (click Blackwell Reference Online above):

• A Companion to Latin American History.  Edited by: Thomas H. Holloway
• A Companion to Mexican History and Culture.  Edited by: William H. Beezley