Claude Phillips: “Gazette des Beaux-Arts,” 1886, i 327.

See also R. Caldecott: Sketches, with an Introduction by H. Blackburn. London, 1890.

George Mason:

Sidney Colvin: George Mason, “Portfolio,” 1871, p. 113.

G. A. Simcox: Mr. Mason’s Collected Works, “Portfolio,” 1873, p. 40.

Alice Meynell: “Art Journal,” 1883, pp. 43, 108, and 185.

Walker:

Sidney Colvin: Frederick Walker, “Portfolio,” 1870, p. 33.

Obituary in the “Art Journal,” 1875, pp. 232, 254, 351.

James Dafforne: The Works of Frederick Walker, “Art Journal,” 1876, p. 297.