Works by Xavier Zubiri in English
- Online translations of several of Zubiri's writings, including his seminal 1962 book, On Essence.
- http://www.zubiri.org/works/zubenglish.htm

Xavier Zubiri's Critique of Classical Philosophy
- Paper by Thomas B. Fowler from the 20th World Congress of Philosophy in 1998. Reviews the conceptual grounds on which Zubiri criticizes the Aristotelian tradition.
- http://www.bu.edu/wcp/Papers/Comp/CompFow2.htm

Xavier Zubiri's Critique of Hume's Analysis of Causality
- Paper from the Paideia Project by Thomas B. Fowler.
- http://www.bu.edu/wcp/Papers/Comp/CompFow1.htm

Catholic Philosophy
- Presents Zubiri's trilogy The Theological Problem of Man in English translation. This includes "Man and God", "The Philosophical Problem of the History of Religions", and "Christianity."
- http://catholicphilosophy.com/

Zubiri Foundation
- An organization working to increase awareness of Zubiri's thought in the United States. Site provides extensive information about Zubiri's life and thought, as well as organizational news.
- http://www.zubiri.org/