Item 022-022: fingerprints; De Dactyloscopie Eenige Opmerkingen Betreffende de Techniek der Justitieele Politie; The system of dactyloscopy concerning the observed technique of the judicial police force. In Dutch.; Heindl, Robert; Alphen Aan Den Rijn, N. Samsom; 18 pages; DF 809, 1922

Item 022-022: fingerprints; De Dactyloscopie Eenige Opmerkingen Betreffende de Techniek der Justitieele Politie; The system of dactyloscopy concerning the observed technique of the judicial police force. In Dutch.; Heindl, Robert; Alphen Aan Den Rijn, N. Samsom; 18 pages; DF 809, 1922, Box: 22, 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/44159 Accessed February 08, 2026.