Papers by and about Prof. Dr. med. Ludwig Külz (1875-1938), twin brother of Wilhelm Külz Ajouter au presse-papier BArch, N 1042/3 Dossier 1914-1938 Fait partie de Federal Archives (Archivtektonik) In: H - K >> Külz, Wilhelm (inventory) >> N 1042 Wilhelm Külz >> Personal and general correspondence Külz, Wilhelm