Collection contains materials related to the work of Omar Khayyam and its scholars, much of it collected by Ambrose George Potter in the course of his biographical compilations. Includes manuscripts, correspondence, illustrations, clippings, photographs, bibliographical notes, catalogs, theater programs, sheet music and ephemera pertaining to productions based on the work of Omar Khayyam. Contains letters to Omar bibliographer Ambrose George Potter, manuscripts from translators, and articles, essays and ephemera pertaining to translator Edward FitzGerald's life and works.