Columbia subject headings:
Immortality (Philosophy)
Liberalism (Religion)--Protestant churches--History--20th century.
Pessimism.
Philosophy and religion.
Unamuno, Miguel de, 1864-1936. Del sentimiento trágico de la vida.
Harvard subject headings:
Faith and reason--Christianity
Immortality--Christianity
Liberalism (Religion)--Protestant churches--History--20th century.
Philosophy and religion.
Ritschl, Albrecht, 1822-1889--Influence.
Tragic, The--Religious aspects--Christianity
Unamuno, Miguel de, 1864-1936. Del sentimiento trágico de la vida--Sources.
Unamuno, Miguel de, 1864-1936. Del sentimiento trágico de la vida.
Princeton subject headings:
Immortality (Philosophy)
Liberalism (Religion)--Protestant churches--History--20th century.
Pessimism.
Philosophy and religion.
Unamuno, Miguel de, 1864-1936. Del sentimiento trágico de la vida.