Columbia subject headings:
God--Proof--History of doctrines--20th century.
Hartshorne, Charles, 1897-2000--Religion.
Harvard subject headings:
God--Proof--History of doctrines--20th century.
Hartshorne, Charles, 1897-2000--Theology.
Princeton subject headings:
God--Proof--History of doctrines--20th century.
Hartshorne, Charles, 1897---Theology.