Columbia subject headings:
Harvard subject headings:
Atchison, Mr. (David Rice), 1807-1886.
Benton, Thomas Hart, 1782-1858
Slavery--Missouri
United States. Kansas-Nebraska Act.
Princeton subject headings:
Atchison, Mr. (David Rice), 1807-1886.
Benton, Thomas Hart, 1782-1858.
Kansas-Nebraska bill.
Slavery--Missouri.