Boris Liebrenz gave an introduction to the the classification, identification, and developments of ownership notes in the Mamluk and Ottoman worlds. The course, consisting of a 50 minute lecture and 50 minutes of reading, was held over zoom within the syposium Yazma Eser Kültürü Atölyeleri III: Temellü kayıtları, organized by Sami Arslan and Mehmet Arıkan, and was moderated by Elif Sezer Aydınlı.