BIBLIOGRAPHY CONTRIBUTOR Arthur Christensen First name Arthur Last name Christensen Bibliography entries by this contributor Christensen, Arthur. 1927. Critical Studies In The Rubaʿiyat Of ʿUmar-I-Khayyam. Kobenhavn. Christensen, Arthur. 1906. “Un Traité De Métaphysique De Omar Khayyam”. Le Monde Oriental 1 (1): 1-16.