Gombrich, E. H., & Saxl, F. (1970). Aby Warburg: An intellectual biography / Ernst Hans Gombrich. With a memoir on the history of the library by F. Saxl. The Warburg Institute, Univ. of London.

Gombrich, Ernst H., and Fritz Saxl. Aby Warburg: An Intellectual Biography / Ernst Hans Gombrich. With a Memoir on the History of the Library by F. Saxl. London: The Warburg Institute, Univ. of London, 1970.

Gombrich, Ernst H., and Fritz Saxl. Aby Warburg: An Intellectual Biography / Ernst Hans Gombrich. With a Memoir on the History of the Library by F. Saxl. The Warburg Institute, Univ. of London, 1970.