Columbia subject headings:
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Poland--Kraków.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ (bolʹshevikov)--Party work.
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Homes--Poland--Krakow.