Cartoonist. Correspondence, drawings, printed matter, invitations, photographs, and a speech relating primarily to Berryman's career as a political cartoonist for the Washington Post and the Washington Star.

Army officer. Correspondence, memoranda, reports, typescripts of speeches, autograph albums, scrapbooks, photographs, and other papers concerning Corbin's military career and his life in Washington, D.C., as an officer and prominent resident. Includes personal matter such as photograph albums, scrapbooks, and memorabilia relating to his wife, Edythe Agnes Patten Corbin, and the Patten family.

Public official and presidential secretary. Correspondence, letterbooks, diaries, memoranda, subject files, printed matter, and miscellany relating to Cortelyou's duties as secretary to William McKinley and Theodore Roosevelt, his service as secretary of commerce and labor, postmaster general, and secretary of the treasury, and his work as chairman of the Republican National Committee.

Historian, editor, and biographer. Correspondence, research notes, galley proofs, photographs, and printed matter relating to Dennett's books John Hay: From Poetry to Politics and Lincoln and the Civil War in the Diaries and Letters of John Hay.

Secretary to United States presidents William McKinley through Franklin D. Roosevelt (1897-1943). Correspondence, memoranda, invitations, clippings, telegrams, notes, and other papers predominantly from the Theodore Roosevelt, Woodrow Wilson, and Franklin D. Roosevelt administrations. Includes handwritten notes and memoranda from most of the presidents, a few drafts and signed copies of public proclamations, and social notes.

Banker and public official. Correspondence chiefly documenting Gage's service as secretary of the treasury in the William McKinley and Theodore Roosevelt administrations and subsequently as president of the United States Trust Company of New York.

Newspaperman, political writer, Republican National Committee secretary and party emissary. Correspondence, journal notes, printed matter, memorabilia, and biographical material chiefly relating to Heath's term as secretary of the Republican National Committee and his work on the 1896 presidential campaign of William McKinley.

White House usher. Chiefly diaries and diary notes kept by Hoover as White House usher concerning presidents from Benjamin Harrison to Franklin D. Roosevelt and life in the White House

U.S. secretary of state, U.S. senator from Pennsylvania, and lawyer. Correspondence, memoranda, speeches, writings, reports, articles, notebooks, bills and resolutions, legal records, biographical sketches, library catalog, clippings, printed matter, scrapbooks, cartoons, and other papers relating chiefly to Knox's service as U.S. attorney general, secretary of state, and senator from Pennsylvania.

United States president, representative, and army officer, and governor of Ohio. Correspondence, speeches, will, messages, scrapbooks, printed matter, and other papers pertaining primarily to McKinley's presidential administration.

United States senator from Pennsylvania (1887-1904). Correspondence, election materials, financial papers, genealogical information, newspaper clippings, photographs, and other papers pertaining primarily to Quay's career in Pennsylvania and national politics as a member of the Republican party and the United States Senate.

Collector. Letters, diaries, speech, poetry and writings, newspaper clippings, and other papers by and about John Hay, statesman, diplomat, historian, journalist, poet, and the grandfather of Symington.