In 1911 , he published his findings in an article for the Finno - Ugrian Society .
Mannerheim was the first to conduct a detailed ethnographic investigation of the Yugur .
In 1911 , Mannerheim published Mannerheim 's findings in an article for the Finno - Ugrian Society .
Mannerheim was the first to conduct a detailed ethnographic investigation of the Yugur .