Columbia subject headings:
Harvard subject headings:
FitzGerald, Edward, 1809-1883--Criticism and interpretation.
Omar Khayyam--Criticism and interpretation.
Omar Khayyam--Translations into English.
Omar Khayyám. Rubáiyát.
Persian literature--Translations into English.
Princeton subject headings:
Omar Khayyam. Rubāʻīyāt.