Materials about the suspicion of espionage

Materials about a watchmaker, Russian citizen Izaak Danziger, living in Krakow, suspected of espionage on the basis of an anonymous denunciation.
The National Archives in Krakow
Fonds: C.K. Dyrekcja Policji w Krakowie 1849-1919
Signature: DPKr 97
Page/Card Number: L.3497/pr/14
Language: Polish
Creation Date: 1914
Place of origin: Kraków
Geographical names: Cracow, Russia
Organizations and institution: Imperial and Royal Directorate of Police in Krakow
Surnames: Danziger Izaak