Captain Guynemer. (What high adventure, in what world afar) A treasury of war poetry, British and American poems of the world war, 1914-1919.

A Cathedral: All Saint's Day in the Great North Woods (It rises by a frozen mere) 1912 p. 101; 1916 v. 1 p. 201.

Cendrillon. (I am a dream) Harper's Monthly Magazine v. 125 no. 747 p. 472 (August 1912); 1912 p. 27; 1916 v. 1 p. 87. [from Wikipedia] Cendrillon is an opera—described as a "fairy tale"—in four acts by Jules Massenet to a French libretto by Henri Cain based on Perrault's 1698 version of the Cinderella fairy tale.

"Che Faro Senza Eurydice!" (see Eurydice)

The Cherubim. (Two angels stood at Eden's gate) The North American Review v. 198 no. 693 p. 195-96 (August 1913); 1916 v. 2 p. 126.

The Child and the Heart Bereft. (My garden, long time desolate) 1916 v. 2 p. 195.

Child-Fancies: I. Asphodel II. Gathered Wild-Flowers (The children played at naming, every one) 1909 p. 79.

The Chosen. (Death pitying stood before one bent and old) 1912 p. 103; 1916 v. 1 p. 64.

The Christ of the Andes. (Far, far the mountain-peak from me) 1909 p. 92; 1916 v. 1 p. 155.

Christmas Eve. (Would Jesus come to me, Mither) The Bellman v. 19 no. 493 p. 722 (25 December 1915); 1916 v. 1 p. 121.

The Chrysanthemum. (A Rose-tree, all ablush with opening flowers) 1898 p. 88.

Civilization. (Old as the race of man) 1904 p. 72; 1916 v. 1 p. 239.

The Clouds. (The clouds give back to earth again) 1904 p. 155; 1916 v. 1 p. 175.

Columbus. (Viceroy they made him, Admiral and Don) Harper's Weekly v. 36 p. 1014 (22 October 1892); 1898 p. 9; 1916 v. 1 p. 97.

Combatants. (He seemed to call me, and I shrank dismayed) The Century Magazine v. 47 no. 1 p. 139 (November 1893); 1898 p. 4; 1916 v. 1 p. 245.

Compensation. (When Winter's sovereignty complete) The Era (as "Winter's Sovereignty (Quatrain)") v. 11 no. 2 p. 214 (February 1903); 1904 p. 124; 1916 v. 2 p. 192.

Conflict and Rest. (Through the long voyage we may welcome day) 1909 p. 78.

Conscience. (The friend I loved betrayed my trust) Lippincott's Monthly Magazine v. 53 no. ? p. 682 (May 1894); 1898 p. 42; 1916 v. 2 p. 23.

Cora. (When through thy arching aisles) 1898 p. 14; 1916 v. 1 p. 42.

Coronation—To King Edward VII. (If thou be crowned, or if thou be not crowned) 1904 p. 21.

Courage. ('Tis the front toward life that matters most) The Outlook v. 90 no. ? p. 706 (28 November 1908); 1909 p. 105; 1916 v. 1 p. 241.

Cradle Song. (Thy heart and mine are one, my dear) 1904 p. 94; 1916 v. 2 p. 137.

Crippled. (Why hast Thou bound my feet) The Reader v. ? no. ? p. ? (December? 1903); 1904 p. 54; 1916 v. 2 p. 128.

Cruel Love—Anacreontic. (I looked from out my window once) Harper's Monthly Magazine v. 115 no. 686 p. 243 (July 1907); 1909 p. 106; 1916 v. 1 p. 62. Line 17:

——that I straightway [1907, 1909]
——that straightway I [1916]

Cupid and the Muses. (Once lovely Venus to her wayward boy) 1912 p. 36; 1916 v. 2 p. 221.