Columbia subject headings:
Asia--Antiquities.
Asia--Civilization.
Piotrovskiĭ, B. B. (Boris Borisovich), 1908-1990.
Harvard subject headings:
Asia--Antiquities
Asia--Civilization
Piotrovskiĭ, B. B. (Boris Borisovich), 1908-
Princeton subject headings:
Asia--Antiquities.
Asia--Civilization.
Piotrovskiĭ, B. B. (Boris Borisovich), 1908-1990.