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BIDNEY, Martin. Patterns of Epiphany: From Wordsworth to Tolstoy, Pater, and Barrett Browning. Carbondale: Southern Illinois University Press, 1997. 235 s. Dostupné online. ISBN978-0-8093-2116-2. S. 2–3.
worldcat.org
LANGBAUM, Robert. The Epiphanic Mode in Wordsworth and Modern Literature. New Literary History. 1983, roč. XIV, čís. 2, s. 356. ISSN0028-6087.