Columbia subject headings:
Concept of hope.
Hope--Religious aspects--Christianity--History of doctrines--20th century.
Hope.
Philosophical anthropology--History--20th century.
Pieper, Josef, 1904-1997.
Harvard subject headings:
Hope--Religious aspects--Christianity--History of doctrines--20th century.
Hope.
Philosophical anthropology--History--20th century.
Pieper, Josef, 1904-1997.
Princeton subject headings: