Poag, James F, Minne and Gradualismus in the Works of Wolfram von Eschenbach. A Study of Wolfram's Development of the Problems of Courtly and Religious Love in the Light of Medieval ordo. Diss. Univ. of Illinois, 1961 (ungedruckt. Selbstreferat in Diss. Abstr. 21 (1960/61), 3460-61 u. in Germanistik 3 (1962), 243-44)

Minne u. Ehe:

Religion: