Harold E. Dickson, George Grey Barnard: 1863 – Centenary Exhibition – 1963, (University Park, PA: Pennsylvania State University, 1964), pp. 24, 30.[1]
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"George Grey Barnard (1863–1938)," in Lauretta Dimmick and Donna J. Hassler. American Sculpture in the Metropolitan Museum of Art: A catalogue of works by artists born before 1865. Metropolitan Museum of Art, 1999. pp. 421–27.[2]