St.-Pétersbourg [I] & Tehran [II], Commissionaires de l'Académie Impériale des Sciences [I] & Tahoori [II] 1904 [I] & 1959 [II] 2 separate volumes offered together: I: xxxiv + 82 + 103pp., 25cm., 1st ed., bound in cloth (marbled endpapers), VG, [first edition of this important reference work by Frederic Rosenberg, offering the only existing edition of the Persian text of "The book of Zoroaster" written by the Kurdish Zoroastrian poet Zartusht Bahram ben Pajdû (13th century), with French translation] // II: 106pp., 24cm., in the series "Iranian culture and literature" vol.24, 2nd revised edition, softcover, G, [containing a revised version of the edition by Frederic Rosenberg of the Persian text of the same "Book of Zoroaster"] // very rare, X71337