Columbia subject headings:
Christian literature, German--Germany--Wuppertal--Societies, etc.
German literature--Germany--Wuppertal--History and criticism.
Literature and society--Germany--Wuppertal--History--19th century.
Wuppertal (Germany)--Church history--19th century.
Wuppertal (Germany)--Social life and customs.
Wuppertaler Traktatgesellschaft.
Harvard subject headings:
Christian literature--Publication and distribution--Germany--Rhineland--History--19th century.
Evangelicalism--Germany--Rhineland--History--19th century.
Rhineland (Germany)--Church history--19th century.
Rhineland (Germany)--Intellectual life--19th century.
Rhineland (Germany)--Social life and customs.
Wuppertaler Traktatgesellschaft--History.
Princeton subject headings: