Naval officer. Correspondence, reports, invoices, ships returns, extracts from ships logs, and other official naval papers primarily pertaining to Conner's service as commander of U.S. naval forces in the Caribbean and the Gulf of Mexico.

Financier and philanthropist. Correspondence, letterpress books, financial papers, newspaper clippings, printed matter, and other papers relating primarily to Corcoran's business and banking interests and philanthropic efforts.

United States cabinet official and representative from Massachusetts, army officer, diplomat, and lawyer. Correspondence, memoranda, diaries, journals, writings, speeches, notes, notebooks, legal file, business papers, biographical material, newspaper clippings, printed material, maps, photographs, and other papers reflecting Cushing's role in national and international affairs of the mid-nineteenth century.

Scientist and historian. Correspondence, family papers, subject files, manuscript and printed copies of speeches, articles, and books, financial papers, and miscellany relating to Draper's scientific work and as a historian and including the papers of his son, Daniel Draper (1841-1931), and other family members.

Naval officer. Correspondence, journals, orders to duty, bills, receipts, inventories, and printed matter relating primarily to Dulany’s tour of duty in 1852-1855 as commander of the Pacific Squadron.

Diplomat. Primarily correspondence and duplicates of diplomatic dispatches received and sent while Ellsworth was chargé d'affaires for the United States in Stockholm, Sweden, and Norway, 1845-1849.

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.

Antiquarian, historian, and mayor of Washington, D.C. Chiefly Force's personal papers and papers he collected for his nine-volume American Archives. Force's personal papers document his career as a Washington printer, newspaper editor, compiler, and collector. The collection records political, military, scientific, and social aspects of eighteenth and nineteenth century America.

U. S. president, vice president, senator, representative, and army officer. Correspondence, memoranda, diaries, messages and speeches, courts-martial and amnesty records, financial records, lists, newspaper clippings, printed matter, scrapbooks, photographs, and other papers relating chiefly to Johnson's presidency.

Jurist and legal commentator. Correspondence, including family letters, journals of official and personal travels, diplomas, and commissions pertaining primarily to Kent's service as judge of the New York supreme court and as chancellor of the New York court of chancery.

U.S. secretary of war and secretary of state, governor of New York, and lawyer. Correspondence, commonplace book, diary, drafts of diplomatic dispatches, writings, and other papers relating chiefly to Marcy's career in politics, diplomacy, and as a cabinet member in the administrations of James K. Polk and Franklin Pierce. Included is material collected and compiled by Henry Barrett Learned and others.

Lawyer, U.S. representative and senator from Delaware, diplomat, and cabinet officer. Correspondence primarily between McLane and members of his family relating to social life in Washington, D.C., his diplomatic duties, and national and congressional politics.

Naval surgeon. Correspondence, speeches, articles, and notes relating mainly to Pinkney's surgical cases in Peru, his observations on the Mexican War and Civil War, his plan to reorganize the Army Medical Corps, and his interest in politics.

United States president, Speaker of the House and representative from Tennessee, and governor of Tennessee. General correspondence, presidential letterbooks, diaries, account and memorandum books, drafts and copies of speeches and messages, family papers, financial and legal papers, and printed matter relating primarily to Polk's political career in Tennessee and on the national level.

Merchant and banking family of New York, New York, Philadelphia, Pennsylvania, and Washington, D.C. Family and business correspondence, diaries, account books, writings, financial records, biographical and genealogical papers, printed materials, and other papers of Riggs family members.

Naval officer. Correspondence, orders, and other papers covering primarily the period of Saunders's command of the USS St. Mary's, 1844-1847 and relating to the Mexican War.

Army officer. Correspondence, a journal, memoir drafts, documents, printed matter, newspaper clippings, scrapbooks, maps, photographs, and memorabilia pertaining primarily to Sherman’s military career, including the Mexican-American War and the American Civil War.

Naval officer, explorer, and diplomat. Correspondence, journals, diaries, notebooks, logbooks, subject files, newspaper clippings, and printed matter relating to Shufeldt's career in the navy and as an explorer and diplomat.

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

Lawyer, United States attorney general, and United States secretary of war. Correspondence, letterbooks, reports, maps, printed material, and memorabilia relating chiefly to Stanton's role as secretary of war under Abraham Lincoln and Andrew Johnson and to his role in the politics of Reconstruction. Other topics include the Civil War, the radical wing of the Republican Party, and Lincoln's assassination.

U.S. representative from South Carolina, lawyer, and diplomat. Chiefly correspondence relating to nullification, relations with Mexico, plantation life, slavery, and South Carolina and national politics. Includes family papers.

President of the United States, vice president under William Henry Harrison, and United States representative and senator from Virginia. Correspondence and other papers, including correspondence of Tyler's widow, Julia Gardiner Tyler, an autograph collection assembled by their son, Lyon Gardiner Tyler, and family papers reflecting social life and customs in Virginia.