Ojeda Borges, Leonardo (1983). "Selección de lecturas". La Revolución cubana, 1953–1980 (in Spanish). 2. Havana, Cuba: Ministerio de Educación Superior.
"Bohemian Women"(Digital). www.caribbean-painters.com. Caribbean-Painters.com. 2 December 2015. Retrieved 11 August 2023.
cubademocraciayvida.org
Hernández, Félix José (17 September 2008). "Ramón Unzueta iluminó la noche de La Ciudad Luz". www.cubademocraciayvida.org (in Spanish). Paris, France: 2005–2023 Cuba Democracia y Vida. Retrieved 4 August 2023.
"Artist File: Ramon Unzueta". www.mdpls.na.iiivega.com. Miami, Florida: Miami-Dade Public Library System. Retrieved 11 October 2023.
librairie-gallimard.com
"LUNA DANS LA PLANTATION DE CAFE". www.librairie-gallimard.com (in French). Paris, France: Librarie Gallimard Paris/Gallimard-jeunnesse. Retrieved 20 August 2023.
magcloud.com
Valdés, Gustavo (2014). "Unzueta – Essential". www.magcloud.com. Paris, France: Ars Atelier City. Retrieved 7 August 2023.
"Ramon Unzueta: From Island to Island"(Digital). www.thecuban.org. Miami, Florida: 2021 American Museum of The Cuban Diaspora, Inc. 20 May 2023. Retrieved 3 August 2023.