Gollin, R. M., Houghton, W. E., & Timko, M. (1967). Arthur Hugh Clough: A descriptive catalogue; poetry, prose, biography, and criticism. New York Public Library.
Lua i Stíl Chicago (17ú heag.)Gollin, Richard M., Walter Edwards Houghton, agus Michael Timko. Arthur Hugh Clough: A Descriptive Catalogue; Poetry, Prose, Biography, and Criticism. [New York]: New York Public Library, 1967.
Lua MLA (9ú heag.)Gollin, Richard M., et al. Arthur Hugh Clough: A Descriptive Catalogue; Poetry, Prose, Biography, and Criticism. New York Public Library, 1967.
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