[J] Parzival, von Wolfram von Eschenbach. Dr. Gotthold Bötticher. Berlin, 1885.

[K] Studies on the Legend of the Holy Grail. David Nutt. London, 1888.

[L] Genesis xliv., 4 and 5.

[M] Mr. Price's Preface in Warton's History of English Poetry, vol. i.

[N] Mr. Price's note in Warton, vol. i.

[O] Matthew xxvi., 23.

[P] Natural History, Book XXXII., chap. ii.

[Q] Bötticher's Translation Book XVI.

[R] The stories concerning Virgil and his connection with the Black Art are admirably discussed in Mr. J. S. Tunison's study, Master Virgil, the Author of the Æneid as he seemed in the Middle Ages. Second Edition. Robert Clarke & Co. Cincinnati, 1890.