Columbia subject headings:
Education--Periodicals.
Socialism--Periodicals.
Sociology--Periodicals.
Harvard subject headings:
Education--Periodicals
Periodicals
Socialism--Periodicals
Sociology--Periodicals
Princeton subject headings:
Democracy--Periodicals.
Education--Periodicals.
Periodicals.
Social sciences--Periodicals.
World politics--1933-1945--Periodicals.