Columbia subject headings:
Lincoln, Abraham, 1809-1865--Oratory.
Lincoln, Abraham, 1809-1865--Writing skill.
Harvard subject headings:
Lincoln, Abraham, 1809-1865--Oratory.
Lincoln, Abraham, 1809-1865--Writing skill.
Princeton subject headings:
Lincoln, Abraham, 1809-1865--Oratory.
Lincoln, Abraham, 1809-1865--Writing skill.