Palmer (1999)-
Palmer, Nigel F. : Rezension zu Joan A. Holladay: »Illuminating the Epic: The Kassel ›Willehalm‹ Codex and the Landgraves of Hesse in the Early Fourteenth Century. Seattle / London 1996/97(College Art Association Monograph on the Fine Arts 54)«. In: Medium Ævum 68 (1999) No. 1, S. 152f.