Columbia subject headings:
Research--Spain--History--20th century.
Retired scientists--Spain--Biography.
Spain. Junta para Ampliación de Estudios e Investigaciones Científicas--Officials and employees.
Harvard subject headings:
Educators--Spain--Biography
Research institutes--Spain--History--20th century.
Research--Spain--Finance--History--20th century.
Research--Spain--History--20th century.
Retired scientists--Spain--Biography.
Science--Research--Spain--History--20th century.
Science--Study and teaching--Spain--History--20th century.
Spain. Junta para Ampliación de Estudios e Investigaciones Científicas--Officials and employees.
Princeton subject headings:
Research--Spain--History--20th century.
Retired scientists--Spain--Biography.
Spain. Junta para Ampliación de Estudios e Investigaciones Científicas--Officials and employees.