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Soissons, Count S.C. de.—Maeterlinck as Reformer of the Drama.—Contemporary Review, Nov. 1904.
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Souza, Robert de.—Littérature.—Mercure de France, 1898.
Steiner, E.A.—A visit to Maeterlinck.—Outlook (New York), 1901, p. 701.
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Sylvestre, M.—Maeterlinck.—Open Court (Chicago), 1903, p. 116.
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Tadema, L. Alma.—Monna Vanna.—Fortnightly Review, 1902, p. 153.