Columbia subject headings:
Bible. Genesis, XV--Criticism, interpretation, etc.
Bible. Genesis, XXI--Criticism, interpretation, etc.
Christianity and other religions--Judaism.
Church history--Primitive and early church, ca. 30-600.
Isaac (Biblical patriarch)--Birth.
Judaism--History--Post-exilic period, 586 B.C.-210 A.D.
Virgin birth--History of doctrines.
Harvard subject headings:
Bible. Genesis, XXI, 1--Criticism, interpretation, etc.
Bible. Genesis, XXI, 1--Influence.
Church history--Primitive and early church, ca. 30-600
Isaac (Biblical patriarch)--Birth.
Judaism--History--Post-exilic period, 586 B.C.-210 A.D.
Princeton subject headings: