Shippey, Thomas (1970), „Listening to the Nightingale”, Comparative Literature, Duke University Press, XXII (1): 46—60, JSTOR1769299, doi:10.2307/1769299
Doggett, Frank (1974), „Romanticism's Singing Bird”, SEL: Studies in English Literature 1500–1900, Rice University, XIV (4): 547—561, JSTOR449753, doi:10.2307/449753
Doggett, Frank (1974), „Romanticism's Singing Bird”, SEL: Studies in English Literature 1500–1900, Rice University, XIV (4): 547—561, JSTOR449753, doi:10.2307/449753
Chandler, Albert R. (1934), „The Nightingale in Greek and Latin Poetry”, The Classical Journal, The Classical Association of the Middle West and South, XXX (2): 78—84, JSTOR3289944
Shippey, Thomas (1970), „Listening to the Nightingale”, Comparative Literature, Duke University Press, XXII (1): 46—60, JSTOR1769299, doi:10.2307/1769299
Doggett, Frank (1974), „Romanticism's Singing Bird”, SEL: Studies in English Literature 1500–1900, Rice University, XIV (4): 547—561, JSTOR449753, doi:10.2307/449753
Doggett, Frank (1974), „Romanticism's Singing Bird”, SEL: Studies in English Literature 1500–1900, Rice University, XIV (4): 547—561, JSTOR449753, doi:10.2307/449753