Columbia subject headings:
Collingwood, R. G. (Robin George), 1889-1943.
Political science.
Sociology.
Harvard subject headings:
Collingwood, R. G. (Robin George), 1889-1943--Contributions in political science.
Collingwood, R. G. (Robin George), 1889-1943--Contributions in sociology.
Princeton subject headings:
Collingwood, R. G. (Robin George), 1889-1943--Contributions in political science.
Collingwood, R. G. (Robin George), 1889-1943--Contributions in sociology.