Shipley's tome Dictionary of Early English provides an indispensible and unparalleled reference tool on the study of early English. With a preface by Mark Van Doren and an extensive headword list, this dictionary brings to light the terms, concepts, and vocabulary of ancient English. Shipley has written and edited several books, dictionaries, and anthologies including The Origins of English Words, Modern French Poetry, An Anthology, and Dictionary of World Literature.