Digital Library of the Caribbean
dLOC provides access to digitized versions of Caribbean cultural, historical and research materials. These include books, journals, and newspapers in full text, photographs, posters, maps, and other primary resources. TIP: In the Advanced Search, search for a place as a subject, then narrow the results with other subject topics -- for example, Haiti > Haitian Revolution.
Latin America and the Caribbean Archive
A collection of over 1.3 million pages of historical material about Latin America and the Caribbean. Materials include original manuscripts, signed letters, expedition records, reports, maps, diaries, descriptions of voyages, ephemera, and more.
Latin American Newspapers
A searchable collection of historical newspapers published in the 19th and early 20th century in Argentina, Brazil, Chile, Cuba, Guatemala, Mexico, Peru and Venezuela.
Latin American Pamphlet Digital Collection
The collection includes more than 5000 items dating from the early 19th until the early 20th century. Many include maps, photographs and other illustrations. You can search the database by keyword, author, subject, etc. Here's one of the results from a keyword search for revolución: