The papers include letters from various prominent Cuban figures; among them Tomás Estrada Palma, Salvador Cisneros, Lola R. de Tió, Armando Menocal, Mario Menocal and others.  The materials also consist of newspaper clippings about sugar industry and some photographs.

The Elena Zayas Collection contains the personal papers of Elena and Mario Zayas, including historical documents, articles and news clippings, correspondence, data on Cuban names, sayings, and music, documents from Club Leones Cubanos in New York City, teaching materials, and Elena's term papers from Columbia University.