The Ariel Hidalgo Collection contains the writings of Cuban political prisoner Ariel Hidalgo that were secretly smuggled out of prison by the author. It includes articles, manuscripts, correspondence, and a curriculum vitae, as well as a copy of the 'Disidente' pamphlet and a detailed list of fellow political prisoners.

The Julio Hernández Rojo collection is comprised of original drawings and works on paper by Julio Hernández Rojo. The collection also contains his death sentence while in prison in Cuba.