Anonymous—The Blue Bird as a féerie.—Scribner's Magazine (New York), Dec, 1910.
Anonymous.—The Woman Question in Grand Opera: Ariane and Bluebeard.—Current Literature, May, 1911.
Anonymous.—Review of Life and Flowers.—Athenœum, June 3rd, 1911.
Anonymous.—Review of Death.—Athenœum, Nov. 11th, 1911.
Anonymous.—La philosophie de Maurice Maeterlinck.—Le xxe Siècle, Brussels, 15th Feb., 1912.
Anonymous.—(? Grégoire Le Roy), Le poète prodigue—Propos de Table, Le Masque, Brussels, Série ii, No. 5. 1912.
Anonymous.—Maurice Maeterlinck.—Everyman, Oct. 25th, 1912.
Archer, W.—A Pessimist Playwright—Fortnightly Review, 1891, p. 346.
Archer, W.—Maurice Maeterlinck and Mystery.—Critic, 1900, p. 220.
Beerbohm, Max—Pelléas and Mélisande.—Saturday Review, 1898, p. 843.