Columbia subject headings:
Christian sects.
Church--Unity.
First Congregational Church (Haverhill, Mass.)
Folsom, Nathaniel S. (Nathaniel Smith), 1806-1890.
Harvard subject headings:
Church--Unity--Sermons.
Folsom, Nathaniel S. (Nathaniel Smith), 1806-1890.
Installation sermons--Massachusetts--Haverhill.
Sermons, American--19th century.
Princeton subject headings: