On the origin of the Chuvash people. In Russian /O proiskhozhdenii chuvashskogo naroda. Collection of Articles. Research Institute of Language, Literature, History and Economics under the Council of Ministers of the Chuvash ASSR. Cheboksary. Chuvashgosizdat. 1957. 132 p. Please contact us for details on condition of available copies of the book. SKUalb97028ac663a8b96a