Reference Sources

The International Encyclopedia of Revolution and Protest
A comprehensive resource covering major rebellions and protest movements over the past 500 years, and the idealogies and activists that propelled them. Each article has a bibliography of scholarly sources.

The International Encyclopedia of the Social and Behavioral Sciences
Here you can find articles on the sociological aspects of revolutions, with substantial bibliographies. Relevant entries include 
The Cuban Revolution •  The Mexican Revolution •  Theories of Revolution •  Sociology of Revolutions

Atlas sociolingüístico de pueblos indígenas en América Latina
Each country's page presents demographic fact sheets on each of its indigenous groups.

Oxford Bibliographies Online: (every source has a "Find It" link to search for online text)

Hugo Chávez and the Bolivarian Revolution in Venezuela The Sandinista Revolution and the FSLN
The 1959 Cuban Revolution Rafael Trujillo
El Salvador The United States and Castro's Cuba in the Cold War
Guatemala (Modern and National Period) The United States and the Guatemalan Revolution
Human Rights in Latin America The United States Invasion of the Dominican Republic, 1961–1966
Mexican Nationalism Women in Modern Latin American History: Gender & Dictatorship
The Mexican Revolution, 1910-1940 Zapatista Rebellion in Chiapas
The Military and Modern Latin America Revolution and Reaction in Central America
Military Government in Latin America, 1959-1990 Poverty in Latin America
Modern Populism in Latin America Perón and Peronism
The New Left in Latin America The Novel of the Mexican Revolution