Drevnie bolgaro-chuvashi
Subtitle: istoricheskie ocherki
By: Mikhail I͡Ukhma
Edition: 2-e, dop. i rasshir. izd.
Publisher: Chuvashskoe knizhnoe izdatelʹstvo
Published: 2008
Place of publication: Cheboksary
Language: rus
Number of pages: 644
Subjects: Chuvash (Turkic people); History; Biography
Notes: Includes bibliographical references (p. 518-539)

Summary in English and German.