Ergon. Vol. III. [Containing the proceedings of the "Colloque International sur l'Artisanat et la Vie Urbaine en Pologne Médiévale", held on 1-12 September by the Institute of History of the University of Warsaw and the Institute of the History of Material Culture of the Polish Academy of Sciences. With illustrations including portraits, maps, plans and a bibliography.]
Polska Akademia Nauk (Warsaw). - Instytut Historii Kultury Materialnej.
Warsawa, 
[1960]