The Antonio Maceo y Mackle papers contain papers related to Cuban medical doctor and political activist Antonio Maceo y Mackle (b. 1920). Contents include personal correspondence; materials relating to the Consejo Revolucionario Cubano; items relating to Cuban exile radio programs in the 1960s; and a group of topical files collected by Dr. Maceo y Mackle.

The collection is divided into four series: Series 1 contains personal correspondence (1965-1967) and correspondence related to the Consejo Revolucionario Cubano (1960-1963), Cuban Refugee Emergency Center (1961-1963) and the YMCA (1967). Series 2 includes materials relating to the members and operations of the Consejo Revolucionario Cubano. Series 3 contains manuscripts, press releases and other program materials for the radio program, El Medico y Usted. Series 4 contains topical files on organizations of interest to Dr. Maceo y Mackle, including Brigada 2506, Colegio de Abogados de la Habana, Comandos Delta, Commision Interamericana de Paz, Confederación de Trabajadores en el exilio, Operación Alpha, Solidaridad Cubano Americano, Union Nacional Demócrata, and the YMCA. The files also contain papers on sugar legislation, Manita Castro, the United States State Department, and Dr. Manuel Antonio de Varona Laredo.