Columbia subject headings:
Lincoln, Abraham, 1809-1865. Correspondence. Selections--History and criticism.
Political letter writing--United States--Case studies.
Rhetoric--United States--History--19th century.
Harvard subject headings:
Case studies.
Lincoln, Abraham, 1809-1865. Correspondence. Selections--History and criticism.
Political letter writing--United States--Case studies.
Rhetoric--United States--History--19th century.
Princeton subject headings:
English language--Rhetoric.
Letter writing.
Lincoln, Abraham, 1809-1865--Correspondence.