Item 021-026: voice; Telephone Almanac for 1963; A booklet filled with short articles of telephone related topics. An article of marked interest is "Voiceprints", p. 4-5.; author n.a.; Bell Telephone System; 16 pages; DF 1324, 1963

Item 021-026: voice; Telephone Almanac for 1963; A booklet filled with short articles of telephone related topics. An article of marked interest is "Voiceprints", p. 4-5.; author n.a.; Bell Telephone System; 16 pages; DF 1324, 1963, Box: 21, Folder: 5. International Association for Identification Records, A&M 3518. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/44128 Accessed January 09, 2025.