Search for: [Subject and Keywords = Yiddish language] OR [Subject and Keywords = język jidysz] OR [Title = Die Entstehungsursache derjüdischen Dialekte] OR [Title = Die Entstehungsursache derjüdischen Dialekte] OR [Creator = Mieses, Mateusz \(1885–1945\)] OR [Creator = Mieses, Mateusz \(1885–1945\)]