O Giorno Felice!


 * Coates, Florence Earle (1912), "O Giorno Felice!" in Harper's Monthly Magazine (July 1912).
 * Coates, Florence Earle (1912), "O Giorno Felice!" in The Unconquered Air, and Other Poems (1912).
 * Coates, Florence Earle (1916), "O Giorno Felice!" in Poems I.