Carl Alfred Jacobson (1876-1952) was a scientist and chief editor of The Encyclopedia of Chemical Reactions from 1946 to 1956. The collection consists of diaries dating from 1899 to 1947 and reprints of publications dating from 1908 to 1930. The diaries form the bulk of the collection.

The collection consists of correspondence, manuscript notes, reports, meteorological observations, reprints, drawings, and lecture notes of astronomer and meteorologist, Cleveland Abbe, dating from 1851 to 1952.

Elliott Coleman founded the Department of Writing, Speech and Drama at Johns Hopkins University in September 1946, the predecessor to The Writing Seminars. The collection consist of correspondence, manuscript poems, printed materials, and photographs. It spans the years 1932 to 1980 with the bulk of the material from 1978-1979.

This collection contains items regarding the "Badianus Manuscipt," of which Emmart wrote a translation and commentary.

The collection consists of pamphlets, reprints, a list of Stockton's publications, Curriculum Vitae and various memoirs of Stockton.

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.

The collection consists of printed articles by John Dewey and reprints from education journals discussing his philosophy of education. Also included are clippings, centenary celebration items, and two photographs of Dewey.

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).

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.

Leonard Bacon (1887-1954) was an American poet, translator, and literary critic. This collection consists of a small grouping of correspondence and poetry ranging in date from 1928-1953.

Rufus Isaacs was a mathematician and the creator of a field of mathematics called differential games. The collection consists of conference material, correspondence with colleagues, reprints of articles, a photocopy of his first paper on differential games from the Rand Corporation, and a draft of the preface for the 1965 edition of "Differential Games." Materials span in date from 1941 to 1975.

Samuel Ottmar Mast (1871-1947) was a biologist and zoologist at Johns Hopkins University. The collection consists of correspondence, administrative information related to running an academic department, and reprints of articles. The collection materials range in date from 1912 to 1947.

Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity. This collection consists entirely of reprints of articles spanning 1889 to 1945.

Alfred North Whitehead was an English mathematician and philosopher born on the Isle of Thanet in 1861. The bulk of the collection is formed by correspondence between some members of the Whitehead family: Alfred North Whitehead, his wife Evelyn Willoughby-Wade Whitehead, their son T. North Whitehead, and their daughter-in-law Margaret Whitehead dating from the 1920s-1940s.