Collection includes correspondence from Governor Thomas E. Dewey of New York, and others, to P. J. Gallagher, 1946-1947; wills, titles, tax papers, and decrees, 1918-1975, regarding relative rights of various claimants to the waters of the Powder River, a tributary of the Snake River. Family members mentioned include Martin P. Gallagher.

Scrapbook of materials relating to Thomas E. Dewey's 1948 presidential primary campaign in Oregon compiled by the Joseph R. Gerber Company. The Gerber Company was an advertising agency in Portland, Oregon, that handled advertising for Dewey's campaign. Dewey won the Oregon primary and eventually became the Republican nominee, but lost the general election.