Item 010-147: fingerprints; "Modification and Extension of the Henry System of Identification as Devised, and Applied to the Fingerprint Files of the United States Bureau of Investigation"; Report on ways to modify the Henry System, includes charts.; Hoover, John Edgar (Director); U. S. Bureau of Investigation, Washington, D.C.; 41 pages; DF 759, 1932/11/01

Item 010-147: fingerprints; "Modification and Extension of the Henry System of Identification as Devised, and Applied to the Fingerprint Files of the United States Bureau of Investigation"; Report on ways to modify the Henry System, includes charts.; Hoover, John Edgar (Director); U. S. Bureau of Investigation, Washington, D.C.; 41 pages; DF 759, 1932/11/01, Box: 10b, 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/43648 Accessed December 04, 2025.