67. Garfield, Eugene, Sher, Irving H. and Voytko, Catherine. “Citation Index for Genetics—a Research and Evaluation Program” Proceedings of the 2nd International Congress on Medical Librarianship, 1963, 1962-1963

67. Garfield, Eugene, Sher, Irving H. and Voytko, Catherine. “Citation Index for Genetics—a Research and Evaluation Program” Proceedings of the 2nd International Congress on Medical Librarianship, 1963, 1962-1963, Box: 90, Folder: 32. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20846 Accessed November 28, 2024.