Columbia subject headings:
Architecture--Soviet Union.
Artists' preparatory studies--Soviet Union.
Drawing--Sweden--Stockholm--Catalogs.
Harvard subject headings:
Architectural drawing--Russia.
Architectural drawing--Sweden--Stockholm--Catalogs.
Architecture--Russia.
Artists' preparatory studies--Russia.
Princeton subject headings:
Architecture--Soviet Union.
Artists' preparatory studies--Soviet Union.
Drawing--Sweden--Stockholm--Catalogs.