Jeffrey F. HAMBURGER, « Before the Book of Hours, The Development of the Illustrated Prayer Book in Germany », The visual and the visionary. Art and female spirituality in late medieval Germany, New York, Zone Books, 1998, p. 149-195 : 27 fig.
Publié auparavant dans The Art Bulletin, 1991, 73, n° 2, p. 209-236 : 27 fig. ('A 'Liber Precum' in Sélestat and the Development of the Illustrated Prayer Book in Germany').