^’Karl Bitter: Architectural Sculptor 1867-1915’’, University of Wisconsin Press, Madison, 1967 pp. 94-96
^Freundlich, A.L., ‘’The Sculpture of James Earle Fraser’’, Universal Publishers, 2001 p. 179
^Weaver, Lawrence, ‘’Memorials and Monuments: Old and New: Two hundred subjects chosen from seven centuries’’, Published at the offices of “Country Life”, London, 1915 p. 206
^Dorment, Richard, ‘’Alfred Gilbert’’, Yale University Press, 1985 pp. 147-159
^Collins, Judith, ‘’Eric Gill: The Sculpture’’, the Overlook Press, Woodstock N.Y., 1998 pp. 115-16
^Richman, Michael, ‘’Daniel Chester French: An American Sculptor’’, The Preservation Press, Washington D.C., 1976 pp.71-79
^Dryfhout, John H., ‘’The Work of Augustus Saint-Gaudens’’ University Press of New England, Hanover, 1982 pp. 189-193
^Manning, Elfrida, ‘’Marble & bronze: Tha Art and Life of Hamo Thornycroft’’, Trefoil Books, London, 1982
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