J. Comyns Carr: “Portfolio,” 1875, p. 117.
J. Comyns Carr: “L’Art,” 1876, i 175, ii 130.
J. Comyns Carr: Frederick Walker, an Essay. London, 1885.
Clementina Black: Frederick Walker. London, Duckworth, 1902.
G. H. Boughton:
Sidney Colvin: “Portfolio,” 1871, p. 65.
James Dafforne: “Art Journal,” 1873, p. 41.
G. D. Leslie:
Tom Taylor: “Portfolio,” 1870, p. 177.
P. H. Calderon: