Library of Congress Collection: William McKinley Papers
"The papers of army officer, U.S. representative, and governor of Ohio William McKinley (1843-1901), who became the twenty-fifth president of the United States, consist of 131,000 items (121,435 images) most of which were digitized from 98 reels of previously produced microfilm. Spanning the years circa 1847 to 1935, with the bulk dating from 1897 to 1901, the collection contains correspondence, speeches, messages, scrapbooks, printed matter, and other papers pertaining primarily to McKinley’s presidential administration. Subjects include Ohio state politics, presidential elections of 1896 and 1900, the gold standard, the McKinley tariff, progressivism, the Spanish-American War (1898), the Philippine-American War (1899-1902), territorial expansion, and McKinley’s assassination. The collection also includes copies of outgoing letters signed by presidential secretaries John Addison Porter and George B. Cortelyou."