The source offers an extensive introduction to Omar Khayyám, an astronomer-poet from Persia, providing biographical details, historical context, and critical analysis of his philosophical and poetic contributions, including discussions on the interpretation of his verses and the different manuscript traditions. The primary content consists of the "Rubáiyát" itself, a collection of quatrains or "Rubáiyát of Omar Khayyám of Naishápúr," followed by detailed notes that clarify references and offer further insights into the text.

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