Snyder, Phil Lyman, 1926- Mission, empire, or force ofcircumstance? a study of the American decision to annex the Philippine islands / [microform] : by Phil Lyman Snyder. - Ann Arbor, Mich. : University Microfilms International, 1972. - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.)- Stanford University, 1972. Subjects--Geographic Terms: United States--Foreign relations--Philippines.