Stevenson, Catherine Barnes; Hale, Virginia (2000). "Medieval Drama and Courtly Romance in William Morris' 'Sir Galahad, A Christmas Mystery'". Victorian Poetry. 38 (3): 383–91. doi:10.1353/vp.2000.0038. S2CID161534115.
Tennyson, Alfred Lord: Wordsworth Poetry Library, 1994. The Works of Alfred Lord Tennyson. Wordsworth Editions Limited. Sir Galahad, published 1834. pp. 181–182. Beginning of the first stanza. Camelot Project
Stevenson, Catherine Barnes; Hale, Virginia (2000). "Medieval Drama and Courtly Romance in William Morris' 'Sir Galahad, A Christmas Mystery'". Victorian Poetry. 38 (3): 383–91. doi:10.1353/vp.2000.0038. S2CID161534115.