Rubaiyat of Omar Khayyam of Naishapur Second edition, from: English Poetry II: From Collins to FitzGerald

Rubaiyat of Omar Khayyam The four versions compared

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Rubaiyat of Omar Khayyam Pdf-file, by Pennsylvania State University, 2000

Rubáiyát of Omar Khayyám First edition, in the Representative Poetry Online Series, University of Toronto Publishers