Speeches and Talks, 1926-1928, contains talks delivered by Kennedy over radio station WMAL as well as talks given to various groups and organizations. Kennedy spoke on a variety of topics including political personalities in Congress; architecture, history, and political status of Washington D.C.; elections; education; taxation; vacations; laws and legislation; holidays; and other topics.

Memoirs, 1915-1949, consists of articles, biographies, clippings, correspondence, notes, programs, pamphlets, scrapbooks, speeches, and other materials. Includes biographical articles on Walter Lippman (1889-1974) and Westbrook Pegler (1894-1969) from the American Mercury ; biographical pamphlet written for the 1932 presidential campaign on John Nance Garner (1868-1967); program honoring Theodore Williams Noyes (1858-1946); and an article on Samuel Lubell (1911-1987); correspondence of Kennedy regarding articles he wrote, his volunteering during World War I, potential book proposal, the American flag and Catholics, and a letter from a French military officer to Congressman Alfred Lee Bulwinkle (1883-1950) concerning conditions in France during and after World War II; articles and speeches by Kennedy concerning the Ellen Wilson Memorial Homes, members of Congress and the staff of the United States capitol, Washington D.C., Robert E. Peary (1856-1920); remarks and speeches of congressmen from the Congressional Record concerning forests, the Congressional Mace, New Mexico, John Fitch (1743-1798), Native Americans, World War II and peace, and other topics; Kennedy's scrapbook concerning his work with the citrus industry of Florida, his consideration of employment in advertising, and his work as a reporter; and clippings concerning scandal at the Naval Academy, the Monroe Doctrine, Mark Twain (1835-1910), World War I, the Supreme Court, and other interests of Kennedy's, as well as photographs of war damage in England and France and towers of the United States naval radio station.

The Press, 1923-1952, consists of articles, clippings, correspondence, notes, pamphlets, remarks, and speeches, covering both the national and the local press. Includes clippings concerning the press; correspondence to Kennedy regarding advertising and his offer to provide stories to newspapers; remarks and speeches by members of Congress from the Congressional Record concerning the press; articles, notes, and speeches by Kennedy regarding the press and its role in American life; and the American Society of Newspaper Editors; also articles and speeches concerning the 100th anniversary of the telegraph. Includes a pamphlet concerning the Chicago Sun-Times and a case of police violence.

The Capitol, 1910-1953, contains articles, clippings, correspondence, notes, pamphlets, photographs, remarks, reports, and speeches concerning the United States Capitol building, including reports of the architect of the Capitol; photographs of the Capitol and of Washington D.C.; articles, clippings, and pamphlets about the Capitol, its architecture, its staff, and the sesquicentennial of the laying of its cornerstone; remarks and speeches in the Congressional Record about the Capitol; and articles on Washington D.C. and on President William Howard Taft's (1857-1930) summer capital in Beverly, Massachusetts.

Virginia, 1915-1949, contains articles, clippings, correspondence, legislation, notes, pamphlets, photographs, postcards, press releases, speeches and remarks from the Congressional Record , and other items pertaining to Virginia and Virginia history. Topics include the history of Yorktown, Virginia, during the American Revolution; the history of Culpeper, King George, Louisa, Orange, and Stafford Counties, Virginia; the history and restoration of Colonial Williamburg; the College of William and Mary; history of Jamestown; the preservation of battlefields at Yorktown (Colonial National Historical Park), Fredericksburg, and Manassas, Virginia; legislation regarding National Civil War Battlefield Parks; Stratford Hall in Westmoreland County, Virginia; the Marshall family of Maryland; and a guide to the ferries between Newport News and Norfolk, Virginia. Correspondents include: J. A. C. Chandler (1872-1934), H. J. Eckenrode (1881-1952), William Archer Rutherford Goodwin (1869-1939), Robert Walton Moore (1859-1941), Mary Newman, and Earl Gregg Swem (1870-1965).

Spy Rings, 1915-1945, contains articles, notes, and correspondence concerning the Fritz Duquesne (1877-1956) spy ring during which operated during World War II, with information on Duquesne and his collaborators and drafts of book chapters written by Kennedy. Also includes a list of members of the Kurt Frederick Ludwig (b. 1903) spy ring, which also operated during World War II. Also contains clippings on Sir Roger David Casement (1864-1916), executed by the British in 1916 during World War I on grounds of treason.

Post-World War II Peace, 1943-1945, contains articles, clippings, congressional documents, pamphlets, and speeches and remarks from the Congressional Record regarding the end of World War II and the post-war peace, including comments on international conferences held at Yalta, Bretton Woods and Dumbarton Oaks, the future United Nations, post-war Poland and China, Europe and the Soviet Union, India, international law, the Catholic Church and peace, economics, and other issues.

Duels consists of articles, clippings, notes, and radio speech on dueling by Kennedy. Topics included the duels between Stephen Decatur (1779-1820) and James Barron (1768-1851), John Randolph (1773-1833) and Henry Clay (1777-1852), and Jonathan Cilley (1802-1838) and W. J. Graves (1805-1848); duels held at Bladensburg, Maryland; the murder of Philip Barton Key (1818-1859) by Daniel Sickles (1819-1914); a challenge issued to Abraham Lincoln (1809-1865) by James Shields (1810-1879); and the tragedies which struck Andrew Jackson (1767-1845), Franklin Pierce (1804-1869), Lincoln, Woodrow Wilson (1856-1924), and Calvin Coolidge (1872-1933) while president-elect or president.

Scrapbook contains poems and some essays and articles gathered by Kennedy, as well as a photograph, pictures clipped from magazines, a copy of the Parish Monthly Calendar (1932) for St. Martin's Church in Washington D.C., and an issue of the Salvation Army's The War Cry (Christmas 1938).