 | Seventh century. | (4) |
 |
 | Beowulf and the seventh century: language and content. Girvan, Ritchie. London, Methuen, 1971. | |
| Beowulf and the seventh century: language and content. Girvan, Ritchie. Folcroft, Pa., Folcroft Press | |
| Beowulf and the seventh century : language and content / by Ritchie Girvan. Girvan, Ritchie. Philadelphia : R. West, 1977. | |
| Beowulf and the seventh century : language and content / by Ritchie Girvan. Girvan, Ritchie. Norwood, Pa. : Norwood Editions, 1975. | |
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