Pach Zsigmond Pál: Levantine trade and Hungary in the Middle Ages. (theses, controversies, arguments) - Studia historica Academiae Scientiarum Hungaricae 97. (Budapest, 1975)
TT STUDIA^llSTORICA Academiae Scientiarum Hungaricae MIDDLE AGES (THESES, CONTROVERSIES, ARGUMENTS)