[http://0-www.oxfordreference.com.library.acaweb.org/views/BOOK_SEARCH.html?book=t58 '''''The Oxford Companion to Twentieth-Century Poetry in English''''']
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[https://0-www.oxfordreference.com.catalog.sewanee.edu/views/BOOK_SEARCH.html?book=t58 '''''The Oxford Companion to Twentieth-Century Poetry in English''''']