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Sophie von La Roche (1991). “The History of Lady Sophia Sternheim: Extracted by a Woman Friend of the Same from Original Documents and Other Reliable Sources”, p.135, SUNY Press
James Shirley (1833). “The Dramatic Works and Poems of James Shirley, Now First Collected: The grateful servant. The traitor. Love's cruelty. Love in a maze. The bird in a cage. Hyde Park”, p.174