Homewood Museum (formerly Homewood House) is a historic property located on the Homewood Campus of Johns Hopkins University. This collection consists of material (bulk 1973-1986) related to the 1987 restoration and re-purposing of the structure as a museum.

Howard Thatcher was a pianist, organist, composer, and teacher in the Baltimore area. He was an alumnus of Peabody who taught harmony, counterpoint, orchestration, and composition for the Peabody Conservatory. The Howard R. Thatcher papers contain his manuscript and published scores as well as personal papers.

These papers consist of writings, diaries, printed material, photographs, and correspondence relating to NASA administrator and Johns Hopkins University alumnus Hugh L. Dryden's personal and professional life. Also included are his student work, diaries, sermons, awards, and honorary degrees. The overall collection spans from 1908 to 1966.

Hugh Raymond Newsom (1891-1978) was an organist and composer who lived in Baltimore. The collection includes manuscript scores of music composed by Hugh Newsom or by his wife, harpist Marjorie Brunton Newsom; documents related to Hugh Newsom's career; and reel-to-reel recordings of his music.

This collection contains letters by William Butler Yeats from 1899 to 1938; letters with related ephemera from his sister Elizabeth Corbett Yeats from approximately 1916 to 1935; and letters and poems by other writers from approximately 1914 to 1953, including Rachel Annand Taylor, George Moore, George William Russell, Frank O'Connor and Edward Plunkett (Lord Dunsany).

Isaiah Bowman, fifth president of The Johns Hopkins University and geographer, was born in Waterloo, Ontario, Canada, December 26, 1878. The Isaiah Bowman papers offer a fairly complete view of his many-faceted professional life, and Bowman's service as an advisor to the U.S. government and U.S. State Department, particularly in relation to World War I and II, are well-documented in the papers. The papers span from 1902 to 1950.

J. Montgomery Gambrill (1880-1953) was a historian and professor at Columbia University and Johns Hopkins University. This collection consists largely of typed and handwritten correspondence, subject files, and teaching files reagarding his research and administrative duties, from 1794 to 1966.

James Croll (1821-1890) was a Scottish geologist and climatologist. This collection consists of one letter of James Croll to Henry Sidgwick, May 12, 1883, asking for Sidgwick's opinion of an article.

James Ryder Randall (1839-1908) was a native of Maryland and penned the poem, Maryland, My Maryland! which was adopted as the state song in 1939. The collection includes autograph transcriptions of a letter to Charles F. Gunther of Chicago and the accompanying aforementioned poem.

The Janney-White family papers primarily contain material related to Johns Hopkins's great-nephew Richard Janney White (1867-1929), his parents Jane Janney and Francis White (1825-1904), and their immediate and extended families.

This collection of French Revolutionary and Napoleonic items donated by Jean Marie Goulemot, ranging from 1796 to 1804, contains state correspondence from the Minister of Justice and the Minister of the Interior.

Jérôme-Napoléon Bonaparte (1784 1860) was the youngest brother of Napoleon I. This collection consisted of two photocopies of two items related to Bonaparte, one dating from 1804. These items cannot be located and are considered missing.

Jacobus Henricus (Henry) van 't Hoff (1852-1911) was a chemist credited with founding the science of stereochemistry, and in 1901 he was awarded the first Nobel Prize in chemistry. The majority of the papers are those reflecting family affairs or honors accorded van 't Hoff for his work. This collection does not contain his scientific or working papers except for notes of two lectures and copies of his published papers. The papers are mostly in Dutch. The papers span from 1837 to 1924.

John Gurnels Alexander was born March 8, 1888 in Franklin county, Georgia. The collection consists of letters dating from 1909 to 1952 to and from family, friends, soldiers and businesses; as well as Army documents from the war period.

This small collection contains photographs, a calling card, and letters relating to American novelist John Dos Passos (1896-1970). Included in the collection is a letter from Dos Passos to Spanish academic José Robles regarding Robles' translation of Dos Passos' novel Manhattan Transfer into Spanish. The papers range from approximately 1899 to 1922.

This collection contains lectures, speeches and writings; reprints; book manuscripts; and the conference papers of John G. A. Pocock, a historian of political thought and professor emeritus at Johns Hopkins University. His papers spans the years of 1962 to 2017, with the majority of the materials dating from Pocock's time at Hopkins. This holding notably includes his handwritten manuscripts of Barbarism and Religion (1999).

The contents of the letters include negotiation of prices, discussions of sales and quality of the products. One of the letters mentions that a check was included in the envelope and several acknowledge receiving shipments of Spanish Cigars and tobacco.

John Pendleton Kennedy (1795-1870) was born in Baltimore, Maryland. He was a politician (elected to the U.S. House of Representatives in 1838) and writer with strong ties to the South. This collection includes a public letter which elucidates Kennedy's dialogue as an apologist for slavery on the one hand, and the views of famed anti-slavery activist, Lewis Tappan, on the other. The correspondence was written on March 5, 1850.

John Pendleton Kennedy (1795-1870) was an author, politician, lawyer, and original trustee of the Peabody Institute. The John Pendleton Kennedy papers, 1812-1896, contain correspondence, manuscripts, scrapbooks, and other documents related to Kennedy's varied personal and professional interests, including documents related to the founding and early years of the Peabody Institute.

This collection includes donations from Johns Hopkins University alumni that document student life, frequently reflecting the donor's personal experience as a student at Johns Hopkins University. The collection includes photographs, letters, student notes, and other material. The collection spans the 19th and 20th centuries.

The Alumni College was established by the Johns Hopkins University Alumni Association in approximately 1973, to provide alumni with travel learning opportunities, better known as "education vacations." The collection spans from 1970 to 1974.