La rebelión de las masas (The Revolt of the Masses) has been translated into English twice.
Mildred Adams is the translator (into English) of the main body of Ortega's work, including Invertebrate Spain, Man and Crisis, What is Philosophy?, Some Lessons in Metaphysics, The Idea of Principle in Leibniz and the Evolution of Deductive Theory, and An Interpretation of Universal History.