STATE SECRETARY FOR THE RUSSIAN PROTECTOR IN THINGS AND IN MORAVA, PRAGUE, inv. 2041, sig. 109-7/48

Biography of V. J. Šivel, his bibliography of technical literature and his opinions from his employment, the concept of J. Karlík's brochure on R. Gajd, the criminal prosecution of V . J. Sivel and J. Charles at the beginning of the 1930s for the purpose of publishing this brochure in Germany, etc.

Životopis V. J. Šivela, jeho bibliografie technické literatury a posudky z jeho zaměstnání, koncept brožury J. Karlíka o R. Gajdovi, trestní stíhání V. J. Šivela a J. Karlíka na počátku 30. let 20. století pro snahu o vydání této brožury v Německu aj.