Search for: [Subject and Keywords = methodology] OR [Subject and Keywords = comparatistics] OR [Subject and Keywords = Middle Ages] OR [Subject and Keywords = Africa] OR [Subject and Keywords = Sudan] OR [Subject and Keywords = metodologia] OR [Subject and Keywords = komparatystyka] OR [Subject and Keywords = średniowiecze] OR [Subject and Keywords = Afryka] OR [Subject and Keywords = Sudan] OR [Title = Les possibilités de la méthode comparative] OR [Title = Les possibilités de la méthode comparative] OR [Creator = Sachs, Ignacy \(1927– \)]