Columbia subject headings:
Avicenna, 980-1037--Influence.
Philosophy, Medieval.
Soul--History of doctrines--Middle Ages, 600-1500.
Harvard subject headings:
Avicenna, 980-1037--Influence.
Philosophy, Medieval.
Soul--History of doctrines--Middle Ages, 600-1500.
Princeton subject headings:
Avicenna, 980-1037--Influence.
Philosophy, Medieval.
Soul--History of doctrines--Middle Ages, 600-1500.