Eduardo Humberto del Río García (June 20, 1934 – August 8, 2017), better known by his pen name Rius, was a Mexican intellectual, political cartoonist and writer. He was born in Zamora, Michoacán. He was a supporter of the Cuban revolution and was a strong critic of Fidel Castro's rule. His best known works were Cuba for Beginners and It's a Pity, Cuba.
- Website about Rius (in Spanish)
- Rius' recent works (in Spanish, last updated August 2006)
- Current articles from Rius from Vinculando.org (in Spanish)
- Webpage about issue #1 of comic book Los Supermachos from Los Supermachos Remasterizados (in Spanish)
- El Chamuco, official web site of El Chamuco, a comic magazine about Mexican politics and critics founded by Rius (in Spanish)