Gollin, R. M., Houghton, W. E., & Timko, M. (1967). Arthur Hugh Clough: A descriptive catalogue; poetry, prose, biography, and criticism. New York Public Library.
Chicago-referens (17:e uppl.)Gollin, Richard M., Walter Edwards Houghton, och Michael Timko. Arthur Hugh Clough: A Descriptive Catalogue; Poetry, Prose, Biography, and Criticism. [New York]: New York Public Library, 1967.
MLA-referens (9:e uppl.)Gollin, Richard M., et al. Arthur Hugh Clough: A Descriptive Catalogue; Poetry, Prose, Biography, and Criticism. New York Public Library, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.