Records of the Columbia River Fishing and Trading Company, consisting of ledgers, a letter book, and loose papers. The firm was established by Nathaniel J. Wyeth (1802-1856) and operated from Fort Hall near the near the junction of the Portneuf and Snake rivers in what would later become Idaho. The enterprise was unsuccessful, and Fort Hall was sold to the Hudson's Bay Company in 1837.

Photostatic reproductions and typescript copies of letters written to Edward Ermatinger (1797-1876) by Archibald McDonald, John Tod, and William Todd; and photostatic reproductions of Ermatinger's collection of songs sung by French-Canadian fur trappers ("Voyageurs"). Ermatinger was an employee for the Hudson's Bay Company from 1818 to 1828, and later was a postmaster, merchant, and banker in St. Thomas, Ontario, Canada.

Log book of several Pacific and Arctic Ocean voyages, including fur-trading expeditions, whaling and voyages on the ships The Living Rock, Pfeil and Victoria, with typescript chronology.