Columbia subject headings:
Education.
Pascoaes, Teixeira de, 1877-1952.
Unamuno, Miguel de, 1864-1936.
Harvard subject headings:
Education--Philosophy
Pascoaes, Teixeira de, 1877-1952
Unamuno, Miguel de, 1864-1936
Princeton subject headings:
Pascoaes, Teixeira de, 1877-1952--Contributions in education.
Pascoaes, Teixeira de, 1877-1952.
Unamuno, Miguel de, 1864-1936--Contributions in education.
Unamuno, Miguel de, 1864-1936.