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 | Girvan, Ritchie.; Beowulf and the seventh century: language and content. London, Methuen, 1971. | |
| Girvan, Ritchie.; Beowulf and the seventh century: language and content. Folcroft, Pa., Folcroft Press | |
| Girvan, Ritchie.; Beowulf and the seventh century : language and content / by Ritchie Girvan. Philadelphia : R. West, 1977. | |
| Girvan, Ritchie.; Beowulf and the seventh century : language and content / by Ritchie Girvan. Norwood, Pa. : Norwood Editions, 1975. | |
| Girvan, Ritchie.; Beowulf and the seventh century: language and content, by Ritchie Girvan, M.A. London, Methuen & Co., Ltd. | |
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