Alfred Jack Thomas was an African American composer, educator, and conductor who served as a bandmaster in the United States Army and became the first African American to conduct the Baltimore Symphony Orchestra. The A. Jack Thomas papers contain manuscript scores and instrumental parts for three of his compositions for orchestra: Mirage, Scenes Pastoral, and Etude en Noir.

Collection of programs and clippings related to the Baltimore Symphony Orchestra, Feier des Deutschen Tages, the Oratorio Society of Baltimore from 1890-1965, and other recitals in Baltimore.

Musical compositions, correspondence, photographs, writings, clippings, and ephemera of pianist Arthur Friedheim and members of the Friedheim family.

Brick Fleagle and Luther Henderson were jazz musicians and arrangers who were business partners and close friends. The Brick Fleagle and Luther Henderson papers and collection of jazz recordings contain manuscript and published scores of Fleagle's and Henderson's compositions and arrangements, personal papers of Brick Fleagle, photographs, and recordings.

Johann Siegfried Hufnagel (1724-1795) was a German parson and entomologist (lepidopterist). This item is a manuscript on the classification of butterflies and moths, in the tradition of the schemata proposed by Hufnagel and illustrated with ten original hand-coloured illustrations of butterflies. The item was once owned by Freiherr von Malsen-Ponickau or Cordula [?] Ponickau, or both. This manuscript was approximately created in 1780. The creator is unknown.

This collection consists of letters and papers of Charles William Emil Miller, professor of Greek at The Johns Hopkins University.

A collection of very rare original hand written documents from the Chinese Cultural Revolution era.

Christopher Lobingier (1944-2014) was a composer based in Baltimore who wrote the original score to the 1977 John Waters film Desperate Living and participated in the Baltimore Composers Forum. This collection contains scores of original compositions by Chris Lobingier, including his score to Desperate Living, as well as materials related to the Baltimore Composers Forum, recordings, and other ephemera.

Abram Moses was a composer and violinist who attended and taught at the Peabody Institute. The collection includes 11 manuscript and Ozalid scores of chamber music and songs by Moses written between approximately 1900 and 1950.

Charles Henry Bochau (1870-1932) was a member of the Peabody Conservatory voice faculty from 1897 to 1932, director of the conservatory's glee club, and one of the founders of the Johns Hopkins Symphony Orchestra. The collection consists of manuscript and published scores of music composed by Bochau, including vocal music, symphonic music, and chamber music.

This collection contains copies of seven documents created in the 1950s concerning the Surrealist turmoil originating from the ‘Affaire Carrouges’. In 1951, a conflict between Surrealists Henri Pastoureau and Michel Carrouges due to a disagreement about religion resulted in the fracturing of the French Surrealist movement for three months. There is representation from both sides of the conflict in this collection.

The collection consists of correspondence between Daniel Coit Gilman, Basil Gildersleeve, Nicholas Murray Butler and others regarding obtaining a copy of the Didache manuscript.

Dawn Culbertson was an eclectic musician and composer based in Baltimore who experimented with the lute and recorder. Her papers contain original manuscript compositions, personal papers primarily from her student years, and recordings of her radio show, Exploring Early Music.

This collection consists of an unpublished Russian novella typescript written by an anonymous author during approximately the 1960s. The typescript describes a fictional prisoner's experience of a Gulag and the NKVD.

Douglas Southall Freeman (1886 – 1953) was an American historian, biographer, newspaper editor, and author best known for his multi-volume biographies of Robert E. Lee and George Washington. The collection spans the years 1902-1911, and consists primarily of correspondence between Freeman and his parents.

Edwin Charles Cort received his M.D. from Johns Hopkins University in 1907 and was a medical missionary in Siam (Thailand) from 1908 intil 1949. This collection consists of an essay entitled "Thirty Years of Medical Practice in Siam" from approximately 1948.

Emmanuel Wad (1862-1940) was a Danish pianist who taught at the Peabody Conservatory from 1892 to 1919. The Emmanuel Wad papers contain scores of Wad's operas and other works, an essay by Wad, and a family genealogy.

Erna Magnus was born in Hamburg, Germany in 1896, and was an author and educator in both Germany and the United States. The collection consists of two items: a typescript manuscript of Magnus's study, "Gainfully Employed Women in Chicago," (1943) and a travel diary written in German describing a trip to Germany, July 15-August 28, 1974.

Fabian Franklin was a research fellow and a professor in the Johns Hopkins University Department of Mathematics from 1877 to 1895. He then became a noted journalist. This collection includes papers of and about Fabian Franklin, 1890-1939.

Francis Lieber was a publicist, educator, and political philosopher born in Berlin on March 18, 1800. The Lieber Papers span the years from 1829 to 1873 and include correspondence; interleaved copies of Lieber's books; a small number of original manuscripts; printed speeches, lectures, articles and poems; administrative materials, printed briefs and manuscript decisions for the United States and Mexican Claims Commission (1868-1872).

George Boas (1891 – 1980) was a Professor of Philosophy at Johns Hopkins University. The collection spans the years from 1920 to 1980, and consists of articles, correspondence, notebooks, reprints, short stories, and speeches.