Robert
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.K. Bostock | The story of Parzival and the Graal as related by Wolfram von Eschenbach, by Margaret Fitzgerald Richey | 5/2, p. 125 | |
| N.R. Ker | The English Library before 1700: Studies in its history, by Francis Wormald, C. E. Wright | 29/2, p. 144 |