Subject Encyclopedias are scholarly works written by experts on a variety of topics. The articles are typically longer and more detailed than general encyclopedias. The background information provides a good starting point as you begin the research process. Subject encyclopedias can help guide you with:
Encyclopedia of Latin American History and Culture by 
An Atlas and Survey of Latin American History by 
The Oxford Encyclopedia of Latin American Politics by 
Encyclopedia of United States-Latin American Relations by 
The Oxford Encyclopedia of Mesoamerican Cultures by 
Pocket Oxford Spanish DictionaryThe Cambridge Histories series is an indispensable reference collection with over 300 titles spanning 15 subject areas, including literary studies. Each (often multi-volume) history provides a big-picture perspective of its subject, introduces readers to existing scholarship, and proposes new trends in the field.
The Cambridge History of Latin America by 
The Cambridge History of Latin American Literature by 
A Reference Guide to Latin American History by 
Encyclopedia of Cuba by 
Encyclopedia of Latin American Politics by 
Mexico: An Encyclopedia of Contemporary Culture & History by 
Pop Culture Latin America! by 