Author:
Publisher:Verleg von dietrich reimer, Berlin
Copyright:1935
Author: Seler, Eduard
Publisher:
Copyright:1960
Author: Brockelmann, C
Publisher:E J Brill, Leiden
Copyright:1938
Author: Widengren, Geo
Publisher:
Copyright:1938
Author: Hagen. P
Publisher:N.V. Noord-Hollandsche Uitgevers-Maatschappij ,Amsterdam
Copyright:1935
Author: Hagen, P.
Publisher:Uttgevers maatschappij,Amsterdam
Copyright:1935
Author: Markwart, Josef
Publisher:E. J. Brill, Leiden
Copyright:1938