Hans-Peter Eugster taught geochemistry at Johns Hopkins University from 1958 until his death in 1987. The collection consists of Eugster's professional papers dating from 1944-1988. These document all phases of Eugster's varied scientific career from collecting raw data up through finished publications for most of his projects.

Harry Fielding Reid was professor of geology at Johns Hopkins University and a geologist known for his contributions in the fields of seismology and glaciology. The collection consists of a small group of his professional writings and correspondence, personal items, reprints, and a large selection of photographs and negatives spanning 1894-1944.

Henry Carrington Lancaster, a scholar and educator in the fields of French literature and history, was born in 1883 in Richmond, Virginia. The collection spans the years 1913-1954 and includes correspondence, a scrapbook, research notes outlining and analyzing the plays of 17th and 18th century French dramatists and the repertoire of the Comedie Francaise, drafts and typescripts, and galley proofs. A large part of the collection is in French.

Herbert Baxter Adams (1850-1901) was an American educator and historian. The collection consists of material spanning 1851-1903. The materials include correspondence, lectures, writings, research material, files related to Johns Hopkins University, the United States Bureau of Education, the American Historical Association Committee of Seven, personal files, and prints and photos.

Herbert Spencer Jennings (1868-1947) was an American zoologist, geneticist, and eugenicist. The collection spans the years between 1893-1945 and includes correspondence, reprints, manuscript lecture notes, and biological drawings.

Herbert William Magoun (1856-1956) was a professor of Greek and Latin and an alumnus of Johns Hopkins University. The collection consists of one manuscript in typescript with corrections entitled "Prosody in Four Parts," dated 1931.

Herman Louis Ebeling (1857-1945) was a classics scholar and Johns Hopkins University alumnus. The collection consists of student notebooks from his graduate and undergraduate studies at Johns Hopkins University and a small amount of correspondence from his teaching career at Goucher College. The collection spans 1886-1927.

Ira Remsen, American chemist, educator and second President of Johns Hopkins University was born in New York City on February 10, 1846. The collection spans the years 1868 - 1938. The material consists of correspondence, speeches, publications, lectures and lecture notes, notebooks, scrapbooks, newspaper clippings, photographs, reprints, books annotated by Remsen, and memorabilia.

Jacob Harry Hollander was born in Baltimore in 1871 and was appointed by Presidents McKinley and T. Roosevelt to represent the United States in economic policy abroad. The papers date from 1895-1940 and are largely Hollander's professional correspondence dealing with his teaching at Hopkins, his writings on economic theory, and his work in the areas of social welfare and economic reform.

Professional papers of physics professor, James Calvin "Cal" Walker, with some personal pieces of correspondence and photographs. Professional papers compose of grants and grant finances, letters of recommendation, conference and travel files, teaching files, general academic correspondence, manuscripts from early in his career, readers, organizational membership files, research notes and studies, charts, transparencies, and X-rays. The papers range from the 1960s to the early 2000s.

John Calvin French was professor of English and librarian at The Johns Hopkins University and author of "A History of the University founded by Johns Hopkins." The collection consists largely of his research and manuscript notes dealing with the founding and later development of the University dating from 1928-1957.

John Charles Geyer was as a teacher, writer, and consultant on environmental matters born in 1906. This collection consists largely of writings, subject files relating to environment consulting and teaching at Johns Hopkins University, and some personal items, spanning 1952-1980.

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).

John Higham was a historian and professor at Johns Hopkins University with a principal field of interest in American social and intellectual history of the nineteenth and twentieth centuries. The collection consists of holographic course notes, outlines, examination booklets, and other assignments completed during his undergraduate years at The Johns Hopkins University, 1937-1939, as well as material relating to Dr. Higham's teaching and writing career.

John Holladay Latané was a history professor at Johns Hopkins University born in Staunton, Virginia on April 1, 1869. The collection consists of writings, lectures and speeches, correspondence, research material, and material on the invention of the McCormick Reaper spanning 1913-1930.

John Martin Vincent (1857-1939) years was a Professor of European History at Johns Hopkins University. This collection consists of correspondence, scrapbooks, subject files, and personal materials ranging in date from 1881 to 1925. The bulk of the material is correspondence dating from 1900-1910.

Joseph Sweetman Ames became Director of the Physical Laboratory at Johns Hopkins University in 1901. He taught until becoming provost of the University in 1926 and president from 1929 to 1935. This collection largely consists of speeches and lectures given at Johns Hopkins, but also includes correspondence, photographs, reprints, and biographical information.

Josiah Royce (November 20, 1855 – September 14, 1916) was an American objective idealist philosopher. The Royce Collection spans the years from 1878 to 1916 and includes correspondence with members of the George B. Coale family (chiefly Mr. Coale, 1878 - 1887), his unpublished Hopkins dissertation, several manuscript compositions, photographs and lecture notes by a student in one of Royce's philosophy classes at Harvard.

José Robles Pazos was a Spanish academic and left-wing activist who was born in 1897 and died in 1937. The collection includes administrative records concerning José Robles Pazos' career at Johns Hopkins University, and a letter from Michael Gold. The date ranges from approximately 1920-1930.

Joseph Trueman Thompson (1891-1977 )was a professor of civil engineering at Johns Hopkins University. The collection consists largely of Joseph Trueman Thompson's written reminiscence of his career at the Johns Hopkins University; the materials span 1912-1976.

Julian C. Stanley (1918-2005) as a professor of psychology at Johns Hopkins University. The collection consists of a large selection of Julian C. Stanley's published reprints, abstracts, reports, and seminar papers (1949-1968) in the field of educational psychology.