Many primary sources including letters, diaries, travel accounts, and government documents are available in book and microfilm form. Some of these are available through the Knox College Libraries, but you can also access older texts online through HathiTrust or borrow them via I-Share and Interlibrary Loan.
To find printed primary sources in the online catalog, try a subject search for [COUNTRY]+[TOPIC]+Sources.
For example:
Argentina History Sources (in HathiTrust) (in I-Share)
Cuba "Foreign Relations" Sources (in HathiTrust) (in I-Share)
Mexico Travel Sources (in HathiTrust) (in I-Share)
Mexico Conquest Sources (in HathiTrust) (in I-Share)
General Collections
Endangered Archives (Americas)
General
A growing collection featuring digitized documents, maps, newspapers, sound recordings, and other items from the national libraries of Argentina, Brazil, Chile, Colombia, El Salvador, Panama, Portugal, Spain, and Uruguay.
Argentina
Caribbean (non-Cuba)
Cuba
Colombia
Guatemala
Mexico
Peru