The Sufistic quatrains of Omar Khayyam in definitive form
Omar Khayyam; FitzGerald, Edward, 1809-1883; Heron-Allen, Edward, 1861-1943; Whinfield, E. H. (Edward Henry), 1836-1922; Nicolas, J. B. (Jean Baptiste), 1814-1875; Arnot, Robert, b. 1860