Item 020-030: fingerprints; Finger Print Civil Service Examination Instruction; A manual of 250 questions and answers for candidates to practice for the exam as Finger Print Expert in New York City civil service and Finger Print Classifier in U. S. civil service.; Bergen, Harry, John Keeley, and Thomas J. Byrnes; pub. University of Applied Science, Chicago, IL; 20 pages; DF 26, 1924

Item 020-030: fingerprints; Finger Print Civil Service Examination Instruction; A manual of 250 questions and answers for candidates to practice for the exam as Finger Print Expert in New York City civil service and Finger Print Classifier in U. S. civil service.; Bergen, Harry, John Keeley, and Thomas J. Byrnes; pub. University of Applied Science, Chicago, IL; 20 pages; DF 26, 1924, Box: 20, Folder: 6. International Association for Identification Records, A&M 3518. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/44099 Accessed December 06, 2025.