@book{UBHD-1062841, editor={Utley, Francis Lee}, title={The forward movement of the fourteenth century}, publisher={Ohio State Univ. Press}, address={Columbus}, year={1961}, pages={86, XXV S., S. 87 - 166}, language={eng}, library={UB [Signatur: 66 B 432] ; KU [Signatur: A III 1630]}, }