Dawn and Decline: Excerpt from this work by Horkheimer, presenting the analogy between the working man and the circus elephant.
Eclipse of Reason: Brief summary of this key 1946 work by Horkheimer.
Horkheimer, Max (1895-1973): Article by Lloyd Spencer from the Icon Dictionary of Postmodern Thought.
Horkheimer-Pollock-Archiv: Archive located in Frankfurt am Main, Germany, housing the manuscripts of Max Horkheimer and Friedrich Pollock. Site includes catalogue of holdings and a biography of Horkheimer.
Max Horkheimer and the Philosophy of Education: Article by Ilan Gur-Ze'ev from the Encyclopaedia of Philosophy of Education. Explores the development of Horkheimer's thought.