Columbia subject headings:
Franco, Francisco, 1892-1975--Sources.
Pinilla de las Heras, Esteban--Knowledge and learning.
Sociologists--Spain--Biography.
Sociology.
Spain--History--1939-1975--Sources.
Spain--History--Republic, 1931-1939--Sources.
Spain--Social conditions--1931-1939--Sources.
Spain--Social conditions--1939-1975--Sources.
Harvard subject headings:
Franco, Francisco, 1892-1975--Sources.
Pinilla de las Heras, Esteban--Knowledge--Sociology.
Sociologists--Spain--Biography.
Spain--History--1939-1975--Sources.
Spain--History--Republic, 1931-1939--Sources.
Spain--Social conditions--1931-1939--Sources.
Spain--Social conditions--1939-1975--Sources.
Princeton subject headings:
Franco, Francisco, 1892-1975--Sources.
Pinilla de las Heras, Esteban--Knowledge--Sociology.
Sociologists--Spain--Biography.
Spain--History--1939-1975.
Spain--History--Republic, 1931-1939.
Spain--Social conditions--1931-1939.
Spain--Social conditions--1939-1975.