This collection contains material related to the Philippine-American War of 1899-1902. The first series, which makes up the bulk of the collection, is related to the American captain Harry Dey and includes records of battles and skirmishes, quotidien life for American troops in San Francisco and in the Philippines, promotions, roll-calls, maps, a number of photographs, and other material. The second series is the Leyte and Samar Revolutionary Papers (1897 – 1901), which contain correspondence, records, certificates, and other material from Filipino forces.
The Harry Dey series contains documents, photographs, records, and memorabilia related to American military presence in the Philippines before and during the war. It also contains photographs related to military life in and around San Francisco, CA. The Leyte and Samar Revolutionary Papers series contains documents, records, and correspondence from Philippine military sources, including Mariano Pacheco and Ambrosio Moxica.