Over the years, I have accumulated a comprehensive collection of publications about castles and other fortifications, which has proven invaluable for my personal exploration and as a resource for this website. These are the ones about Cuba.
Castillo de San Severino y las fortificaciones de Matanzas, 1681-1898, El by A. Ramos Zúñiga (Asociacion Cubana de Amigos de los Castillos) in Spanish isbn 979-8787552447
La Ciudad de los Castillos, La Habana by A. Ramos Zúñiga (Asociacion Cubana de Amigos de los Castillos) In German isbn 3-85001-679-1
Fortalezas de La Habana Colonial by R. Mendez Capote (Gente Nueva) in Spanish isbn n/a
Montalembert en Cuba by A. Ramos Zúñiga (Asociacion Cubana de Amigos de los Castillos) in Spanish isbn 979-8746088970