Saγang Secen wrote this historical chronicle in 1662. Ts. Nasanbaljir published it in 1957. Note: The cover includes: Saγang Sečen, Erdeni-yin tobči, 3 booklets. However, preface, summary and others are missing. Extent and format of original material: Typewritten. Owner(s) of original material: Mongolian Academy of Sciences, Institute of History and Ethnography. Editor of original material: Ts. Nasanbaljir. Original institution reference: F-4, D-1, HN-92.