Search for: [Subject and Keywords = czasopisma polskie 20 w.] OR [Subject and Keywords = czasopisma 20 w.] OR [Subject and Keywords = Warszawa \(Polska \; region\)] OR [Subject and Keywords = kultura] OR [Subject and Keywords = społeczeństwo] OR [Subject and Keywords = sztuka 20 w.] OR [Title = 7 Dni \: tygodniowe pismo ilustrowane. 1930, nr 31]