which the speaker is forced to call to mind an inferior mental substitute for his absent beloved. Notes References Baldwin, T. W. On the Literary Genetics of Shakespeare's Sonnets. Urbana: University of Illinois Press, 1950. Dowden, Edward. Shakespeare's Sonnets. London, 1881. Hubler, Edwin. The Sense of Shakespeare's Sonnets. Princeton: Princeton University Press, 1952. British poems Sonnets by William Shakespeare