1. J. Topolski,Methodology of History(Warszawa Dordrecht Boston, D. Reidel Publishing Company, 1976), 53–56; Idem,Teoria wiedzy historycznej (Theory of Historical Knowledge) (Poznań, 1983).
2. M. Bloch,The Historian's Craft(Manchester, 1954), 27.
3. Archaeology as Anthropology