Columbia subject headings:
Governors--Dwellings--India--Kolkata--History.
Raj Bhavan (Kolkata, India)--History.
Harvard subject headings:
Architecture--India--Kolkata--Pictorial works.
Historic buildings--India--Kolkata--Pictorial works.
India--Politics and government--1765-1947.
Kolkata (India)--Buildings, structures, etc.
Raj Bhavan (Calcutta, India)
Princeton subject headings: