United States representative and senator from Rhode Island, financier, and philanthropist. Correspondence, journal, appointment books, drafts of speeches, memoranda, financial records, reports, legislative matter, scrapbooks, serial publications, and other printed material relating chiefly to Aldrich's career in Congress.

Educator and collector. Autographs, letters, official documents, writings, printed material, photographs, and other papers of prominent historical figures in the arts, science, and politics of the Western world collected by Batchelder.

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.

Lawyer, municipal and civil service reformer, and U.S. attorney general and secretary of the navy. Correspondence, articles, speeches, memoranda, notes, personal miscellany, legal records, biographical material, clippings, printed matter, and other papers relating mainly to Bonaparte's public service and political career.

United States naval officer. Correspondence, letterpress books, diaries, cruise book, night order books, scrapbooks, and watch, quarter, and station bill documenting Brownson's naval career, including his official and personal dealings with President Theodore Roosevelt.

Industrialist and philanthropist. Correspondence, reports, memoranda, speeches, articles, book files, financial papers, printed materials, and other papers relating to Carnegie's steel manufacturing and other business and philanthropic activities.

Collector. A collection of Americana including historical letters and documents, family and personal papers, broadsides, financial and legal papers, illustrated and printed ephemera, government and legislative documents, military records, journals, and printed matter relating primarily to the expansion and development of the United States from the colonial period through the 1876 centennial.

United States secretary of state, statesman, and lawyer. Correspondence, letterbooks, speeches, notebooks, scrapbooks, printed matter, photographs, and other papers primarily relating to Colby's career as a politician and statesman after 1912, including his service as Woodrow Wilson's secretary of state.

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.

Naval officer and historian. Correspondence, diaries, journals, speeches, articles, books, scrapbooks, reports of the Asiatic Fleet, notebooks, photographs, newspaper clippings, biographical material, poetry, printed matter, and other papers relating to Gleaves's naval career and his writings.

Author, diplomat, lawyer, politician, and soldier. Diaries, family and general correspondence, memoranda, speeches, newspaper clippings, and miscellaneous personal and official items relating to Griscom’s career as a diplomat between 1901 and 1909 and military service during World War I.

Correspondence, diaries, speeches and writings, subject material, financial papers, printed matter, and personal miscellany, chiefly 1872-1964, of various members of the Grosvenor family, principally of Amherst and Millbury, Mass., and Washington, D.C.

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

Lawyer, United States congressman, and member of the Federal Trade Commission. Correspondence, memoranda, speeches and other papers relating primarily to Humphrey's service in the United States House of Representatives (1903-1917) and on the Federal Trade Commission (1925-1933).

Lawyer and secretary of the interior. Correspondence, diaries, speeches and writings, family papers, legal and financial records, subject files, scrapbooks, and other papers documenting all aspects of Ickes's career, especially his service as secretary of the interior.

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.

Naval officer and historian. Correspondence, family papers, subject files, speeches and writings, scrapbooks, biographical file, printed matter, and other papers relating to Mahan’s naval career, writings, and personal and family life.

Naturalist and U.S. Army surgeon. Correspondence, reports, printed matter, newspaper clippings, and miscellaneous material chiefly relating to Mearns's activities as a collector of data on animal and plant life, on his participation in the Smithsonian African Expedition of 1909, and his duties and assignments as an army surgeon.

Ambassador to Italy and to Russia, postmaster general, and secretary of the navy. Diaries, family correspondence, and memorabilia recording Meyer’s social and family life and national and international events of which he was a part.

U.S. Supreme Court justice, attorney general, secretary of the navy, and representative from Massachusetts. Correspondence and related material mainly from Moody’s service as secretary of the navy and attorney general in the administration of Theodore Roosevelt.