Materials regarding Michał Hertz, suspected of espionage

Materials regarding Michal Hertz, Russian citizen residing in Krakow, building contractor and a merchant victualling the Russian army; he was suspected of espionage.
The National Archives in Krakow
Fonds: C.K. Dyrekcja Policji w Krakowie 1849-1919
Signature: DPKr 59
Page/Card Number: L.758/pr/905
Language: Polish
Creation Date: 1905
Place of origin: Kraków
Geographical names: Cracow, Russia
Organizations and institution: Imperial and Royal Directorate of Police in Krakow
Surnames: Hertz Michał
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