Columbia subject headings:
Abbt, Thomas, 1738-1766.
Baumgarten, Alexander Gottlieb, 1714-1762.
Education--Germany--History--18th century.
Germany--Religion.
Heilmann, Johann David.
Herder, Johann Gottfried, 1744-1803.
Middle class--Germany--History--18th century.
Müller, Johann Georg, 1759-1819.
Müller, Johannes von, 1752-1809.
Religious education--Germany--History--18th century.
Harvard subject headings:
Christian education--Germany--History--18th century.
Christian sociology--Germany--History--18th century.
Germany--Church history--18th century.
Princeton subject headings: