Columbia subject headings:
Harvard subject headings:
Buber, Martin, 1878-1965
Educational anthropology.
Guardini, Romano, 1885-1968.
Petersen, Peter, 1884-1952.
Princeton subject headings:
Buber, Martin, 1878-1965.
Educational anthropology.
Guardini, Romano, 1885-1968.
Petersen, Peter, 1884-1952.