[Hundsbichler 2006] Hundsbichler, H.: "John Block, Kristen Mossler Figg (Hgg.), Trade, Travel, and Exploration in the Middle Ages: An Encyclopedia, New York 2000"; TMR  (2006).

[Schneider 1997] Schneider, J.: "Tucher, Fernhandelsfamilie"; Lexikon des Mittelalters, München, Zürich (1997), Sp. 1077-1078.