Haruta, Setsuko Ohara, A Thematic Comparison of Wolfram von Eschenbach's "Parzival" and Gottfried von Strassburg's "Tristan". Diss., PhD, Univ. Columbia, NY, 1975 (DA 36 (1975-76), 3651/2-A; Ann Arbor Microfilms, 75-27424)

Gottfried von Straßburg:

Interpretation: