Robert Fitzgerald 1971- is the author of Architecture and Design Library: Italian Country.
Robert Fitzgerald 1910-1985 is the editor, poet, and translator of Homer. He is the subject of the CK information above.
Robert Fitzgerald 1959- is the author of Rowntree and the Marketing Revolution, 1862-1969.
The author of the Golden Legacy series is more usually given as Bertram A. Fitzgerald.