The Written Heritage Research Centre has released the oldest version of Rubaiyat Khayyam in the Bodleian Library of Oxford. The English translation of these Rubayiat have been done by Edward Heron-Allen.
According to the ECO Cultural Institute, quoting the Written Heritage Research Centre, various aspects of Khayyam’s life and personality have been investigated to provide a vivid image of his thought; however, further investigations are still required on the Rubayiats that are said to belong to Khayyam.