Waffenfabrik Katalog : recueil des principaux catalogues des plus importants fabricants allemands de militaria, 1920-1945 / par Francis Catella German swords and sword makers : edged weapon makers from the 14th to the 20th centuries / Richard H. Bezdek sword and knife makers of Germany 1850-2000 / Anthony Carter Weyersberg, Kirschbaum & Cie., Solingen : Waffen-Fabrik langen Offizier-Seitenwaffen der deutschen Marinen / Claus P. Stefanski und Dirk Stefanski History writ in steel : German police markings, 1900-1936 / L. Donald Maus ; foreword by Joe Wotka
