"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.[1]
jstor.org
Harold E. Dickson, "Barnard and Norway," The Art Bulletin, vol. 44, no. 1 (March 1962), pp. 55-59.(JSTOR) $