Summaries of the author's life up to 1945, including accounts of various illnesses, military experience in World War I, and employment in the Boise, Idaho, area; and journal entries 1965-1980. The contents of the two volumes are nearly identical.

Correspondence concerning National Recovery Administration activities in Idaho; letters from James P. Pope; paper regarding the Boise Library Board, of which Eaton was a member; articles concerned with national politics in the 1940s, and miscellaneous photographs and personal papers.

Three volumes of record books, minutes of the Red Cross Boise Chapter meetings; including annual reports.

Drafts, research notes, clippings, journal articles, subject files, and other records assembled by Garber and Dan Popkey for the Idaho Statesman Centennial Magazine (Boise), July 1, 1990.

Consent of stockholders agreeing to an increase in capital stock.

Topical research materials gathered by Arthur Hart for various projects - Arid Club, aviation, baseball, Basque Museum & Cultural Center; International Baque Cultural Center, Morrison Knudsen Company, Boise Police, Chinese, Idaho photographers.

"The Mill Pond Island" by Arthur L. Baker, and "The Old Horse Collar Manufacturing Building" by Mary Baker, about old south Boise.

Idaho territorial warrants (1866-1889); Boise and Idaho County warrants (1871-1886); Idaho territorial coupons; mining stock certificates, miscellaneous receipts and business cards; eleven books in Swedish language; advertising flyers and copies of Nelson's poetry; and memorabilia. Also includes "The Cost to the State of Idaho of the Haywood Trial" and "Haywood Trial, Closing Argument of W.E. Borah."

Notes taken by Salome McNeilly recording the reminiscences of Tate concerning activities around Camas Prairie, Toll Gate, Pine, Mountain Home, and Boise, Idaho, after 1878.

Collection contains miscellaneous clippings from the Idaho Statesman and Boise Capital News regarding new airports, conferences, and competitions.

Majority of items is promotional material sponsored by Boise or Idaho Chamber of Commerce. Collection also includes material pertaining to Aviation development in Boise.

Time capsule contents, placed in 1938 and opened in 1988 at the Boise Memorial Mausoleum in Morris Hill Cemetery, Boise. Includes lists of civic and elected officials, material from various fraternal and business organizations, personal messages and memorabilia.

Roster of soldiers and sailors buried in the cemeteries of Boise.

The Boise Saturday Fortnightly Club Records contains the yearly programs, financial records, minute books and scrapbooks related to Club activities since 1892.

Personal correspondence, including letters to Hyatt in Boise, Idaho, from his daughter, Madge, a student at the University of California at Berkeley (1917-1919), and letters between other family members.

Five diaries, undated. One volume chronicles a trip which Leonardson and her parents, Roy and Iona Hickman Leonardson, residents of Boise, Idaho, took to New England. The other four volumes contain poems and fragments of fiction, as well as journal entries.

An account of life in Boise, Idaho, in the 1860s; includes photographs.

One box of primary material about life and work of Charles B. Little. A life history witten by Little in 1940 and a journal of an auto trip to San Francisco in 1915 written by his daughter Edna at age 11. Also building project material regarding the First Presbyterian Church of Boise City and the Booth Building, legal and financial documents, correspondence and one blue print of the Boise City National Bank.

Includes two college notebooks dealing with property law (1901-1902); notes, pamphlets, financial papers and day books (1905-1909); correspondence including letters from W.E. Borah, D. Worth Clark, and C.C. Cavanah; legal papers (1909-1911) relating to Boise Cold Storage vs. O.S.R.R. Co., Boise City vs. Ada County (regarding road poll tax), and a grand jury investigation of the meat trust.