En
RuOlonets Province
Olonets Province
On the introduction of sanitary organization in Olonets province and considerations on the estimated 1913
Tsvetayev A. AO administered health organization in Olonets province and considerations on the estimated 1913 Petrozavodsk: "North Skoropechatnya" RG Katz 1912.
1912
Karelia NBR