Allsen, Thomas T., The steppe and the sea : pearls in the Mongol Empire / Thomas T. Allsen. - viii, 230 pages : illustrations, maps ; 24 cm. - Encounters with Asia . - Encounters with Asia. . Includes bibliographical references (pages 207-223) and index. ISBN: 9780812251173 (hardcover : alk. paper) 0812251172 (hardcover : alk. paper) LCCN: 2018049437 Subjects--Topical Terms: Pearls--History--Asia--To 1500.Mongols--Commerce--History--Asia--To 1500. LC Class. No.: NK7680 / .A45 2019 Dewey Class. No.: 739.27095