Walter Friedlaender was the son of Sigismund Friedlaender and Anna Joachimsthal. Born in Glogau, he was taught art history by Heinrich Wölfflin and others. Among his first students was Erwin Panofsky.
He died in New York.
- David to Delacroix, 1952
- Caravaggio Studies, 1955
- Mannerism and Anti-mannerism in Italian Painting 1957
- Poussin. The Library of Great Painters. 1964. Harry N. Abrams, Inc., Publishers. New York, N.Y. 204 pp.
- "Die Synagoge in Freiburg im Breisgau (Baden-Württemberg)". www.alemannia-judaica.de.
- Venturi, Lionello (March 1957). "Caravaggio Studies by Walter Friedländer". The Journal of Aesthetics and Art Criticism. 15 (3): 367–368. doi:10.2307/427310. JSTOR 427310.
- Dictionary of Art Historians: "Walter Friedlaender" (English)
- Guide to the Papers of Walter Friedlaender (1873–1966) at the Leo Baeck Institute, New York.