Editing Numeral system (section)

==Sources==
*Georges Ifrah. ''The Universal History of Numbers : From Prehistory to the Invention of the Computer'', Wiley, 1999. {{isbn|0-471-37568-3}}.
*[[Donald Knuth|D. Knuth]]. ''[[The Art of Computer Programming]]''. Volume 2, 3rd Ed. [[Addison–Wesley]]. pp.&nbsp;194–213, "Positional Number Systems".
*[[A.L. Kroeber]] (Alfred Louis Kroeber) (1876–1960), Handbook of the Indians of California, Bulletin 78 of the Bureau of American Ethnology of the Smithsonian Institution (1919)
*J.P. Mallory; D.Q. Adams, ''Encyclopedia of Indo-European Culture'', Fitzroy Dearborn Publishers, London and Chicago, 1997.
*{{cite book |author=Hans J. Nissen |author2=Peter Damerow |author3=Robert K. Englund |title=Archaic Bookkeeping: Early Writing and Techniques of Economic Administration in the Ancient Near East |year=1993 |publisher=[[University of Chicago Press]] |isbn=978-0-226-58659-5}}
*{{cite book |last=Schmandt-Besserat |author-link=Denise Schmandt-Besserat |first=Denise |title=How Writing Came About |year=1996 |publisher=[[University of Texas Press]] |isbn=978-0-292-77704-0}}
*{{cite book |last=Zaslavsky |first=Claudia |author-link=Claudia Zaslavsky |title=Africa counts: number and pattern in African cultures |year=1999 |publisher=Chicago Review Press |isbn=978-1-55652-350-2}}