Michelangelo : his life and his era
translated from the Italian by Loretta Murnane
Dutton, 1952
 Buku Teks SO
Sprott, Samuel Ernest, 1919-
Milton's art prosody
Blackwell, 1953
 Buku Teks SO
Tillyard, Eustace Mandeville Wetenhall, 1889-1962
Milton
Chatto and Windus, 1949
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Bradford, Richard, 1957-
The complete critical guide to John Milton
Routledge, 2001
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Finney, Gretchen Ludke
Finney, Gretchen Ludke: 1580-1650 / Gretchen Ludke Finney
Greenwood Press, 1976
 Buku Teks SO