TWO VOLUME SET. RARE enlarged edition of a comprehensive Rabbinic lexicon, known as the Arukh, compiled by an eminent Jewish-Italian lexicographer Nathan ben Jehiel of Rome (c.1035-1106). Part of the enlargement in this edition is the inclusion of words from Zohar - the 13th-century foundational work in the literature of Jewish mystical thought known as Kabbalah. [BOTH VOLUMES]: 235x160mm. [174] + [180] double pages (altogether 708 pages, with a blank pages for notes in-bound between each page). Black board Hardcover with gilt leather spine. Cover and spine heavily rubbed. Cover corners and edges bumped and peeling. Spine edges and hinges heavily rubbed. Spine upper edges peeling. Ink writing on front whitepage and both Hebrew and German title-page. [VOL.I]: Stamp on Hebrew title-page upper corner. [VOL.II]: Front cover, front whitepage and pre-title page partly detached from binding. Stamp on front whitepage. [SUMMARY]: This extremely rare revised and enlarged edition of one of the most important lexicons of Rabbinic literature is otherwise in good condition.