EXTREMELY RARE monograph on the leaders of the Diaspora Jewish community in Babylon (exilarchs) under the regimes of the Arsacids and Sassanids according to various sources and manuscripts, particularly the `Seder Olam Zutta`. 225x150mm. VIII+182 pages. Marbled board Hardcover with cloth spine. Cover slightly rubbed. Cover edges and corners slightly worn. Cover corners bumped. Cover and rear whitepage partly detached from binding. Rear whitepage edge torn (30mm). Spine partly torn, upper part detached from front cover. Spine upper edge and middle part missing, bottom edge bumped and peeling. Spine hinges partly cracked. Sticker residues on spine upper part. Binding cracked and visible between title-page and page III. Ex-library copy with stamp on title-page and pages III, 77. Small pen writing on front endpaper and pages 30 and 66 edge. Small pencil marks on some pages. First 3 page edges and pages 111-116 edge slightly chipped - NO damage to text. Pages browning. [SUMMARY]: This extremely rare work on Babylonian exilarchs has sustained some external damage (mostly to cover), but is still in good reading condition.