Correspondence, diaries, writings, newspaper clippings, printed matter, and scrapbooks relating to Longworth's newspaper column of comments on the political scene in Washington, reminiscences for Ladies' Home Journal, world travels, engagement and marriage to Nicholas Longworth in 1906, and social life in Washington, D.C. Correspondents include her father, Theodore Roosevelt; her stepmother, Edith Kermit Carow Roosevelt; and other family members, friends, and social acquaintances.