Hamburger (1991)-
Hamburger, Jeffrey F. : A Liber Precum in Selestat and the Development of the Illustrated Prayer Book in Germany. The Art Bulletin 73 (1991), S. 209–236. In überarbeiteter Form unter verändertem Titel (Before the Book of Hours. The Development of the Illustrated Prayer Book in Germany) erneut abgedruckt in:Jeffrey F. Hamburger : The Visual and the Visionary. Art and Female Spirituality in Late Medieval Germany. New York 1998, S. 149–195.