Article Groos, Arthur; (1992)
Treating the Grail King: Astrology and medicine in Book XVI of Wolfram's “Parzival” (/isis/citation/CBB000045195/)

Book Groos, Arthur; (1995)
Romancing the Grail: Genre, science, and quest in Wolfram's Parzival (/isis/citation/CBB000034110/)

Article Voigts, Linda Ehrsam; (1978)
The significance of the name Apuleius to the Herbarium Apulei (/isis/citation/CBB000019246/)

Article Voigts, Linda Ehrsam; (1976)
A new look at a manuscript containing the Old English translation of the Herbarium Apulei (/isis/citation/CBB000010319/)

Book Apuleius, <em>Pseudo</em>; (1979)
Herbarium Apulei, 1481. Herbolario volgare, 1522. Con una introduzione di Caprotti, Erminio e un saggio di Stearn, William T. (/isis/citation/CBB000011071/)