A good way to start looking for the legislation of each country: write the words “gaceta official de….” (Panama, Venezuela, Cuba, etc)
You can find edited primary source collections in book format. Below are some examples. Add terms such as narratives, sources, documents, correspondence.
You may be able to visit a local library that has a strong collection of print or digital materials relating to Latin American History. Interlibrary Loan may be able to borrow microform of newspapers or other documents that you can view on-site using our microform readers (2nd floor).