|Class E - States of the United States||Idaho|
|Works related to Idaho, a state of the United States.|
- Alta California Report of the Bear River Massacre
- Bear River Expedition - Affidavits September 23, and October 25, 1859
- Bear River Expedition - Letter August 27, 1859
- Bear River Expedition - Letter October 24, 1859
- Bear River Expedition - Letter September 10, 1859
- Bear River Expedition - Letter September 22, 1859
- Bear River Expedition - Letter and accompanying papers September 3, 1859
- Diary of Hiram Tuttle - January-Febuary 1867
- Letter of Introduction of Zacheus Van Ornum
- Official Report - Battle of Bear River
- The Late Massacre near Fort Hall
- “Idaho” by J. W. Hawes in The American Cyclopædia, 1879
- “Idaho” by Henry Gannett in Encyclopædia Britannica (9th ed.), 1881.
- “Idaho” in The Nuttall Encyclopædia by James Wood, London: Frederick Warne and Co., Ltd., 1907.
- “Idaho” in Encyclopædia Britannica, (11th ed.), 1911
- “Idaho,” by Jess Hawley in Catholic Encyclopedia, 1913.
- “Idaho,” Collier's New Encyclopedia. New York: P.F. Collier & Son Co., 1921.
- Harrison Clifford Dale, “Idaho,” Encyclopædia Britannica (12th ed.), 1922.