For Thomas Jefferson, the most important Corps of Discovery in the Louisiana Purchase was the expedition up the Red River of 1806.

In 1805, Dr. Sibley took the testimony of Francis Grappe about French settlements along the Red River in New Orleans Territory.

The census of Native People of New Orleans Territory included descriptions of tribal languages, places, and affiliations.

Burneyville's hotel was once a real beauty, but nothing remains of it.

In May 1899. a letter in a Denison newspaper appeared about a "new, thriving, up-to-date town" named Pancanula, Chickasaw Nation.