54. Garfield, Eugene. "Psychological Factors Involved in the Display Features of a Published Index”, American Documentation 13 (1), 15-30: 1962. P. 23-26 in John Markus’s “State of the Art of Published Indexes”. Paper presented at the 11th Annual Convention of American Documentation Institute, Cambridge, Massachusetts, 1961 November 7, 1962

54. Garfield, Eugene. "Psychological Factors Involved in the Display Features of a Published Index”, American Documentation 13 (1), 15-30: 1962. P. 23-26 in John Markus’s “State of the Art of Published Indexes”. Paper presented at the 11th Annual Convention of American Documentation Institute, Cambridge, Massachusetts, 1961 November 7, 1962, Box: 90, Folder: 20. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20834 Accessed November 05, 2024.