Search for: [Subject and Keywords = Petersburg] OR [Subject and Keywords = Leningrad] OR [Subject and Keywords = Piotrogród] OR [Subject and Keywords = Rosja] OR [Subject and Keywords = ZSRR] OR [Subject and Keywords = 19w.] OR [Subject and Keywords = 20w.] OR [File name = Materiały biograficzne Józefy Nikiforowej \[nazwa red.\]] OR [Creator = Nikiforowa, Józefa] OR [Creator = Piskorski, Leon]