151. Garfield, Eugene. "Numerical vs. Alphabetic Order for Cited References", New Scientist, 39 (614) p. 565-566, 1968. Reprinted in: Current Contents/LS, #50, 1968 December 10, Essays of an Information Scientist, Vol. 1, p. 27, 1968, 1968

151. Garfield, Eugene. "Numerical vs. Alphabetic Order for Cited References", New Scientist, 39 (614) p. 565-566, 1968. Reprinted in: Current Contents/LS, #50, 1968 December 10, Essays of an Information Scientist, Vol. 1, p. 27, 1968, 1968, Box: 92, Folder: 1. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20929 Accessed October 18, 2024.