Item 071-014: modus operandi; Zur Untersuchung der Verbrecherperseveranz; Seven chapters on the investigation of a criminal's perseverance, or "modus operandi" and the criminal system, etc. In German, Schriftenreihe des Bundeskriminalamtes series.; Zirpins, Walter; 80-89, no. 2, Bundeskriminalamt, Wiesbaden; 127 pages; DF 1195n, 1959

Item 071-014: modus operandi; Zur Untersuchung der Verbrecherperseveranz; Seven chapters on the investigation of a criminal's perseverance, or "modus operandi" and the criminal system, etc. In German, Schriftenreihe des Bundeskriminalamtes series.; Zirpins, Walter; 80-89, no. 2, Bundeskriminalamt, Wiesbaden; 127 pages; DF 1195n, 1959, Box: 71, Folder: 3. International Association for Identification Records, A&M 3518. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/44797 Accessed November 21, 2024.