Richter-Ushanas, Egbert, Two systems of symbolic writing : the Indus script and the Easter Island script / Egbert Richter-Ushanas. - 1 online resource (97 pages) : illustrations Includes bibliographical references. ISBN: 9783869455631 (ebook) Subjects--Topical Terms: Indus script.Rongorongo script. Index Terms--Genre/Form: Electronic books. LC Class. No.: PK119.5 / .R534 eb Dewey Class. No.: 491.1