Columbia subject headings:
Erskine, Ebenezer, 1680-1754.
Erskine, Ralph, 1685-1752.
Harvard subject headings:
Erskine, Ebenezer, 1680-1754.
Erskine, Ralph, 1685-1752.
Princeton subject headings:
Erskine, Ebenezer, 1680-1754.
Erskine, Ralph, 1685-1752.