Behrendt, A. «Pilgrimages of Princes in the 15th Century – Two Holy Land Journeys of German Princes via Rome. A Distinction to the Lower Nobility Class Journeys». Almatourism - Journal of Tourism, Culture and Territorial Development, vol. 8, n. 6, gennaio 2017, pagg. 89-105, doi:10.6092/issn.2036-5195/6665.