In the Amur: Sretensk - Albazin - Blagoveshchensk - Sakhalin (Sakhalin) - Khabarovsk / [P. S. Alekseev]. - The author is listed at the end of the article
// Russian Herald
T. 268, Aug. -
1900. - P. 437-455
I. Alekseev, P. S ..
1. Territory (collection). 2. Russia and the countries of the world (collection). 3. Cupid, river (Far East) - Pool - Description and travel.