Columbia subject headings:
Harvard subject headings:
Humanities--Research--Soviet Union--Directories.
Learned institutions and societies--Soviet Union--Directories.
Policy sciences--Research--Soviet Union--Directories.
Research institutes--Soviet Union--Directories.
Social sciences--Research--Soviet Union--Directories.
Princeton subject headings:
Humanities--Research--Soviet Union--Directories.
Policy sciences--Research--Soviet Union--Directories.
Research institutes--Soviet Union--Directories.
Social sciences--Research--Soviet Union--Directories.
Soviet Union--Study and teaching (Higher)--Directories.