A.D. Emmart was a journalist at The Baltimore Sun newspaper in Baltimore, Maryland from 1924 to 1972. Included in the collection is a scrapbook containing his editorial writings from 1927 to 1934, book reviews and art criticisms from 1928 to 1960, and many articles from his assignments in Russia from 1928 to 1933, and London in the 1940s.

Broadus Mitchell was an educator, historian, and biographer of Alexander Hamilton. Mitchell taught economics at Hopkins, 1919-1939, and was active in political affairs and issues of social justice in Baltimore. The collection consists of some papers related to Broadus Mitchell's research for his published work, William Gregg, Factory Master of the Old South, (1928) and Mitchell's biographical materials. The papers span from 1928 to 1929 and 1979-1986.

Charles Grove Haines was a Professor of Diplomatic History born in Abbottstown, Pennsylvania December 10, 1906. The bulk of the collection consists of correspondence and subject files dating to Haines's time as the Director of the Bologna Center at the School of Advanced International Studies dating from 1970-1976. Some personal items are also included.

Carl F. (Finley) Christ (1923-2017) was an American economist and a Professor Emeritus of Economics at Johns Hopkins University. This collection contains his administrative files, teaching materials, writings, correspondence, and research subject files. The papers span from 1931 to 2006.

Charles McCurdy "Mac" Mathias Jr. (1922-2010) was a Republican member of the United States Senate, representing Maryland from 1969 to 1987. He was also a member of the Maryland House of Delegates and the United States House of Representatives. The collection includes material from Mathias's service in both the House of Representatives and the Senate dating from approximately 1958-1988.

Box 1 contains published scores and instructional material written by Agay, primarily for piano. Box 2 contains promotional materials and programs from Agay's career, and articles written by Agay.

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.

George Stock Benton (1917-1999) was an American meteorologist and educator who helped create the Department of Earth and Planetary Sciences at Johns Hopkins. This collection consists of materials dating from 1950-1990, including articles and reports, files on the US/China Working Group in Atmospheric Sciences and Technology, subject files, slides and photographs, and personal items.

This is an artificial collection made up of printed ephemera, letters, and photographs that accompanied books by and about H. L. Mencken.

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.

The professional papers of Professor J. Woodford Howard, Jr. (1931-2017), a faculty member in the Department of Political Science at Johns Hopkins University. Howard's academic interests were American public law and the judicial process, and his papers include correspondence, working files, and university committee and student records from the 1930s to 2003.

Jean Eichelberger Ivey (1923-2010) was a composer, pianist, electronic musician, professor, and the founder of the Peabody Conservatory Electronic Music Studio, which she directed from 1969 until her retirement from Peabody in 1997. The Jean Eichelberger Ivey papers contain scores and recordings of Ivey's musical works, writings and notes by Ivey, personal and professional correspondence, programs and clippings, photographs, and other personal and professional papers.

John Barry Talley was a graduate of Peabody Institute and Director of Musical Activities at the U.S. Naval Academy. His papers include clippings, concert programs, papers, and articles relating to his career.

Leonard Leopold Mackall, American bibliographer, editor and collector was born in Baltimore on January 29, 1879. The collection consists of correspondence, scrapbooks, subject files and other research materials. The correspondence in the collection spans the years 1547 to 1937 with the bulk of the material spanning 1900-1937. There is additional information dating from 1949 regarding the collection after it was acquired by Johns Hopkins Libraries.

Otto Ortmann was the director of Peabody Conservatory of Music from 1928 to 1941 and founder of the conservatory's department of research, where he conducted studies on the education, psychology, and physiology of music. His papers include scores of original compositions, writings on music research, research notes, administrative files, concert programs, photographs, and teaching materials.

The Phoebe B. Stanton papers contain various publications, photographs, notes, and correspondence related to Stanton’s research on architecture. Research topics include architects such as Edmund G. Lind and the architecture of Episcopal churches and the city of Baltimore.

Stephen Crane (1871-1900) was an American novelist, poet, and short story writer, who in 1895 wrote "The Red Badge of Courage", which earned him international acclaim. This collection of materials relating to Crane, compiled by Johns Hopkins University alumnus Richard Frary, includes letters (many by Crane), events ephemera, photographs, articles of literary criticism, and sheet music (inspired by his fiction). The materials date from the 1890s to the early 2000s.