Columbia subject headings:
Harvard subject headings:
Kropotkin, Petr Alekseevich, kni︠a︡zʹ, 1842-1921
Manchuria (China)--Description and travel.
Siberia (Russia)--Description and travel.
Princeton subject headings:
Kropotkin, Petr Alekseevich, kni︠a︡zʹ, 1842-1921.
Manchuria (China)--Description and travel.
Siberia (Russia)--Description and travel.