Phelps, William Lyon--Maeterlinck.--_Poet-Lore_ (Boston), 1899, p. 357.
Phelps, William Lyon.--Maeterlinck and Robert Browning.--_Academy_, 1903, p. 594. Same: _Independent_ (New York), March 5th, 1903.
Phillips, R.--A Talk with Maurice Maeterlinck.--_Book Buyer_, New York, July, 1902.
Picard, Gaston.--Enquête.--_L'Heure qui sonne_, April, 1911.
Pidoux, M.--Maeterlinck at home.--_Bookman_ (New York), 1895, p. 104.
Pilon, Edmond.--Maurice Maeterlinck.--_Mercure de France_, April, 1896.
Pilon, Edmond.--Maurice Maeterlinck, _La Plume_, 1st May, 1902.
Puttkamer, Alberta von.--Monna Vanna und der künstlerisch --philosophische Werdegang Maeterlincks.--_Beilage zur Allgemeinen Zeitung_, No. 236 f., 1902.
Rava, Maurice.--Maurice Maeterlinck, Poeta Filosofo.--_Nuova Antologia_, 1st Feb., 1897.
Rency, Georges.--Maurice Maeterlinck et Louis Dumont-Wilden.--_La Vie Intellectuelle_ (Brussels), 15th Oct., 1912.
Rency, Georges.--Review of La Mort. _La Vie Intellectuelle_, March, 1913.
Reuter, Gabriele.--Rhodope und Monna Vanna.--_Der Tag_, Berlin, 5th April, 1903.
Richter, Helene.--Das Urbild der Monna Vanna.--_Neue Freie Presse_ (Vienna), 29th April, 1904.
Rod, E.--Maeterlinck's Essay on The Life of the Bee.--_International Monthly_ (Burlington, Vt.), April, 1902.
Ropes, A.R.--Maurice Maeterlinck.--_Contemporary Review_, March, 1900.
Rose, G.B.--Monna Vanna.--_Sewanee Review_ (Sewanee, Tenn.), 1902, p. 458.
Ruhl, A.--The Blue Bird.--_Collier's National Weekly_ (New York), Oct. 22nd, 1910.
Sanborn, A.F.--Maeterlinck out of doors.--_Harper's Weekly_, Oct. 15th, 1910.
Scott-James, R.A.--Review of "Death" and Mr Edward Thomas's "Maurice Maeterlinck." _Daily News_ (London), Oct. 20th, 1911.
Serrano, M.J.--Three Songs of Maeterlinck translated.--_Critic_, Dec. 1902.
Sharp, W.--Maurice Maeterlinck.--_Academy_, 1892, p. 270.
Sherwood.--Later Philosophy of Maurice Maeterlinck.--_Atlantic Monthly_, Sept. 1911.
Sholl, A.M.--Maeterlinck's Philosophy.--_Gunton's Magazine_ (New York), Jan., 1904.
Silver, Ednah C.--Maeterlinck and Swedenborg.--_New Church Review_ (Boston), 1905, p. 416.
Slosson, E.E.--Twelve Major Prophets of To-day.--_Independent_, May 4th, 1911.
Soissons, Count S.C. de.--Bluebeard and Aryan.--_Fortnightly Review_, Dec. 1900. Same: _Littell's Living Age_ (Boston), Jan. 1901.