Columbia subject headings:
Harvard subject headings:
Glavnai︠a︡ astronomicheskai︠a︡ observatorii︠a︡ (Pulkovo, Russia)
Pulkovo (R.S.F.S.R.). Astronomischeskaia observatoriia.
Princeton subject headings:
Astronomical observatories--Russia (Federation)--Pulkova--History.
Glavnai︠a︡ astronomicheskai︠a︡ observatorii︠a︡ (Soviet Union)--History.