Columbia subject headings:
Hufnagel, Alfons, 1899-
Hufnagel, Alfons, 1899---Bibliography.
Philosophy.
Political science.
Theology.
Harvard subject headings:
Hufnagel, Alfons, 1899-
Hufnagel, Alfons, 1899---Bibliography.
Philosophy.
Political science.
Theology.
Princeton subject headings:
Hufnagel, Alfons, 1899-
Hufnagel, Alfons, 1899---Bibliography.
Philosophy.
Political science.
Theology.