McGuire, Philip C. (1987). "Shakespeare's Non-Shakespearean Sonnets". Shakespeare Quarterly. 38 (3): 304–319. doi:10.2307/2870505. JSTOR2870505.
Sagaser, Elizabeth Harris (1994). "Shakespeare's Sweet Leaves: Mourning, Pleasure, and the Triumph of Thought in the Renaissance Love Lyric". ELH. 61 (1): 1–26. doi:10.1353/elh.1994.0008. JSTOR2873429.
McGuire, Philip C. (1987). "Shakespeare's Non-Shakespearean Sonnets". Shakespeare Quarterly. 38 (3): 304–319. doi:10.2307/2870505. JSTOR2870505.
Sagaser, Elizabeth Harris (1994). "Shakespeare's Sweet Leaves: Mourning, Pleasure, and the Triumph of Thought in the Renaissance Love Lyric". ELH. 61 (1): 1–26. doi:10.1353/elh.1994.0008. JSTOR2873429.