Financier, publicist, and politician. Correspondence, letterbooks, photographs, pamphlets, printed matter, and scrapbooks reflecting Barker’s broad interests in American and foreign business matters especially in Russia and China, bimetallism, and politics.

United States secretary of state, United States representative and senator from Maine, and journalist. Family and general correspondence, speeches, writings, diaries, memoirs, notebooks, scrapbooks, and other papers documenting Blaine's public career.

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.

Family members include Columbus Delano, U.S. secretary of the interior and representative from Ohio, and his son, John Sherman Delano, businessman. Correspondence, financial records, photograph album, and miscellany relating to Ohio and national politics and patronage, the Republican Party, western lands, railroad expansion, and personal and financial matters.

Congressman, senator, governor, and secretary of state. Correspondence, journals, diaries, subject files, scrapbooks, printed matter, and other papers relating chiefly to Fish's service as secretary of state under Ulysses S. Grant, as a member of Congress, and governor of New York.

First Lady of the United States as wife of President James A. Garfield. Correspondence, family papers, biographical material, addresses, articles, photographs, clippings, scrapbooks, memorial poetry, and other papers relating to the Garfield family, including the assassination of President Garfield.

Soldier and newspaper editor. Correspondence, writings, scrapbooks, photographs, and printed matter relating primarily to Halford’s career as private secretary to President Benjamin Harrison, 1889-1893.

Associate justice of the United States Supreme Court and lawyer and politician of Kentucky. Correspondence, legal and financial records, and other material relating to Harlan's career in law, politics, and the judiciary.

President of the United States, United States senator from Indiana, and army officer. Correspondence, speeches, articles, notebooks in shorthand, legal papers, financial records, scrapbooks, memorials, printed material, and memorabilia.

Lawyer and lecturer. Diaries, correspondence, letterbooks, writings, lectures, scrapbooks, family papers, and miscellaneous financial, legal, and personal material relating to Ingersoll's involvement in politics and law and as a lecturer and writer on agnosticism and religion.

Correspondence, scrapbooks, journals, diaries, photographs, memorabilia, printed materials, and other papers relating to the Ohio family of "Fighting McCooks" that became prominent through the service of fifteen of its sons in the Civil War. The McCooks were active in legal and military affairs and in national and state politics in Ohio and New York. The larger part of the collection concerns the military and political career of Anson G. McCook (1835-1917).

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.

Correspondence, diaries, journals, speeches, writings, biographical and genealogical material, financial and legal papers, newspaper clippings, scrapbooks, maps, lithographs, and other papers relating mainly to Samuel Chester Reid (1783-1861), naval officer, and his son, Samuel Chester Reid, lawyer (1818-1897).

United States cabinet officer, diplomat, senator from Missouri, Union army officer, journalist, and reformer. Correspondence, speeches, articles, newspaper clippings, printed matter, and scrapbooks pertaining to Liberal Republicanism, tariff reduction, civil service reform, anti-imperialism, election campaigns, and the administration of Rutherford B. Hayes in which Schurz served as secretary of the interior.

Librarian of Congress. Chiefly correspondence during the years Spofford served as librarian of Congress and personal and family correspondence.

Correspondence, bond payments, claims against the federal government and the Bank of the United States, French and Spanish indemnity payments, indentures, miscellaneous state and federal legal items, statements of accounts, consulate reports, United States lottery drawings, and other state and federal financial documents.

Chief justice of the United States Supreme Court, jurist, and lawyer. Official papers relating to Waite’s Supreme Court service, including correspondence and letterbooks, docket books, court assignments, manuscripts and proofs of circuit court and Supreme Court opinions, and miscellaneous family and personal material.