The Ramiro Casañas Collection is composed of historical materials documenting the history of Cuba during the nineteenth and twentieth centuries.  Included are correspondence and documentation from the Junta Revolucionaria Cubana (Series 1); military orders from Cuba and Puerto Rico; slavery documents; nominations written by Isabel II (Queen of Spain) and Alfonso XII (King of Spain); photographs of Cuba; letters and postcards; periodicals; music scores and memorabilia.

The papers document activities of Hortensia Montero (1909-1998), Cuban mezzosoprano and composer. Materials include photographs, autographed notes, programs, diplomas, clippings and music scores.