Contributions to 1911 Encyclopædia Britannica

• "Altai," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Baikal," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Bessarabia," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Caspian Sea," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Caucasia," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Caucasus," in Encyclopædia Britannica (11th ed., 1911) (in part; with Peter Alexeivitch Kropotkin)
• "Crimea," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Daghestan," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Dnieper," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Dniester," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Don (Russia)," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Don Cossacks, Territory of the," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Dvina," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Echmiadzin," in Encyclopædia Britannica (11th ed., 1911)
• "Esthonia," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin and Charles Norton Edgcumbe Eliot)
• "Fens," in Encyclopædia Britannica (11th ed., 1911)
• "Ferghana," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Georgia," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Gobi," in Encyclopædia Britannica (11th ed., 1911)
• "Hissar," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Irkutsk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kalmuck," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kaluga (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kamchatka," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kara-Kum," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kars (province)," in Encyclopædia Britannica (11th ed., 1911)
• "Kazañ (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kerch," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Khingan," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Khiva (khanate)," in Encyclopædia Britannica (11th ed., 1911)
• "Khokand," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Khotan," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kiev (city)," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Kronstadt," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kubañ (province)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kuen-Lun," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kursk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Kutais (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Ladoga," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Livonia," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Lop-nor," in Encyclopædia Britannica (11th ed., 1911)
• "Maritime Province," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Merv," in Encyclopædia Britannica (11th ed., 1911)
• "Minsk (government)," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Moscow," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Nikolayev," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Nizhniy-Novgorod (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Novgorod (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Odessa," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Onega," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Orel (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Orenburg (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Perm (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Podolia," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Poland, Russian," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Riga," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Russia," in Encyclopædia Britannica (11th ed., 1911) (Geography and Statistics (in part))
• "St Petersburg," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Siberia," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Simbirsk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Smolensk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Stavropol (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Syr-Darya (river)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Syr-Darya (province)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Takla Makan," in Encyclopædia Britannica (11th ed., 1911)
• "Tambov (government)," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Tarim," in Encyclopædia Britannica (11th ed., 1911)
• "Tian-Shan," in Encyclopædia Britannica (11th ed., 1911)
• "Tiflis (town)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Tobolsk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Tomsk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Transbaikalia," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Transcaspian Region," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Turgai," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Turkestan," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Ufa (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Ural Mountains," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Vladimir (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Volga," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Vologda (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Vyatka (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Warsaw," in Encyclopædia Britannica (11th ed., 1911) (with Peter Alexeivitch Kropotkin)
• "Yakutsk (province)," in Encyclopædia Britannica (11th ed., 1911) (in part)
• "Yeniseisk (government)," in Encyclopædia Britannica (11th ed., 1911) (in part)