Further Reading
Dyson, Brian. "Ornithological Observations." Paragon Review, no. 5 (1996) [http://www.hull.ac.uk/oldlib/archives/paragon/1996/morris.html].
J. F. M. Clark, ‘Morris, Francis Orpen (1810–1893)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 [http://www.oxforddnb.com/view/article/19304].
Lockwood, W. B.The Oxford Dictionary of British Bird Names. Oxford: Oxford University Press, 1993.
Morris, Francis Orpen. A history of British butterflies. George Bell & sons, 1876.
Morris, Marmaduke Charles Frederick. Francis Orpen Morris: A Memoir. JC Nimmo, 1897.