Louisiana Purchase
Appearance
- Louisiana Purchase Treaty (1803)
- "Louisiana Purchase," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
- "Louisiana Purchase," in Encyclopædia Britannica (11th ed., 1911)
- "Louisiana Purchase," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
- "Louisiana Purchase Exposition," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)