Columbia subject headings:
Niles, Nathaniel, 1741-1828. Letter to a friend ... concerning the doctrine ... that impenitent sinners have natural power to make themselves new hearts.
Sin.
Harvard subject headings:
Niles, Nathaniel, 1741-1828. Letter to a friend ... concerning the doctrine ... that impenitent sinners have natural power to make themselves new hearts.
Sin
Princeton subject headings:
Niles, Nathaniel, 1741-1828. A letter to a friend ... concerning the doctrine ... that impenitent sinners have natural power to make themselves new hearts.
Sin.