Harry Dolan Boivin served for 26 years in the Oregon Legislative Assembly including holding the offices of Speaker of the House and Senate President. The collection is composed of two series: Series I: Oregon Legislature Activity Scrapbooks covering the period 1935-1969 (6.5 linear feet, 13 boxes) and Series II: Personal Papers covering the period 1911-1990 (1 linear foot, 2 boxes).

Klamath Water Crisis occurred in 2001, after an extreme drought. The Bureau of Reclamation failed to supply water to the local farmers, keeping it in Upper Klamath Lake to protect the habitat of the endangered suckerfish. Collection contains miscellaneous correspondence and documentation on the Klamath Basin Water Crisis of 2001.

The American Civil War (1861-1865) was fought between the North and the South in the United States. Collection contains materials related to the Civil War, collected by Laurence L. Shaw.

Claude H. Daggett was a well-known businessman and treasurer in Klamath Falls, Oregon. His most notable accomplishment was the Klamath Falls Warehouse & Forwarding Company, which was important in the development of business in Klamath Falls and marked the construction of the first ice and cold storage plant in the area. Collection contains financial documents and correspondence of the Company.

The Modoc War between the Modoc Tribe and the US Army lasted for 8 months between 1872 and 1873. Collection contains correspondence and records of interviews of the main participants of the conflict.

Raymond H. Bitney joined the Bureau of Indian Affairs in 1926 as forest assistant at the Klamath Agency. He spent 2 years as the Superintendent of the Klamath Agency, Oregon. Collection contains copy of document containing resolution that describes unsatisfactory performance of Mr. Bitney as the Superintendent of the Klamath Agency.