Joseph G. Evans was a member of the Oregon Volunteer Infantry, 2nd Regiment, Company B, during the Spanish-American War. Papers consist of a typescript copy diary, June-July 1898, regarding his journey from San Francisco to the Philippines aboard the transport Australia; and typescript copy correspondence, May-August 1899, regarding his combat experiences.

Manuscript letter from Jacob Imhoff to Grace Plummer, October 5, 1898, regarding his experiences in Company E, 14th U.S. Infantry, in the Philippines during the Spanish-American War.

Manuscript letters from Volney S. Ogle of Company E, 2nd Regiment, to his family from Manila, Philippines, circa 1896-1899, regarding life in the military in Manila. Also included are bound manuscript diaries, circa 1898-1899, with a list of men in his regiment. Ogle was from Portland, Oregon.

Papers of Erastus A. Smith (1868-1950) relating to his military and religious careers, including certificates, letters of recommendation, and reminiscences. Smith was a Baptist minister from Oregon who preached at churches in Oregon, Washington, and British Columbia, and who served in the Oregon National Guard in the mid-1890s and in the 2nd Oregon Volunteer Infantry Regiment during the Spanish-American War.