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The material is an elaborately calligraphic 19th century script and extends to one file box and 14 bound volumes. Professor Allan Nevins used this material for his work on Abram S. Hewitt.

Professional papers of Davis, including correspondence, manuscripts, photographs, memorabilia, and printed materials. The correspondence consists chiefly of Davis' typescript carbons of his letters to Columbia colleagues, other physicists, and other individuals at various manufacturers of equipment. The topics covered deal with Columbia students, faculty, course and research work, and his life long interest in the study of x-rays. The majority of these files cover the years 1914 to 1921 and 1932 to 1936. The cataloged letters include one each from Michael I. Pupin, Isidor I. Rabi, and Robert Simpson Woodward, one lengthy letter from Davis, and ten letters from Nicholas M. Butler. Also included are letters from Marie Clark Davis relating to the research of Lucy J. Hayner and Harold Webb for Webb's biography of Davis that appeared in the National Academy of Sciences' BIOGRAPHICAL MEMOIRS (v. 34, 1960) along with extensive notes, bibliographies and manuscript and typescript versions of Webb's article. There are also manuscripts, typescripts, and notes by Davis relating to his research and writings, photographs of Davis and of his x-ray spectograph, and clippings and memorabilia of his life and work.

Term papers written for history courses while Cole attended Columbia and one novel manuscript entitled "Half a Hero.".

Manuscripts, letters, and printed materials relating largely to Gehlke's book EMILE DURKHEIM'S CONTRIBUTION TO SOCIOLOGICAL THEORY and to the sociologist Franklin Henry Giddings.

The collection consists of scrapbooks, posters,digital photographs, and meeting minutes documenting the activities of the ChicanX Caucus between 2001-2016.

The correspondence, manuscripts, notes, speeches, documents, and related printed materials of Hellman, reflecting her specialty as an historian of 16th and 17th century astronomers and astronomy as well as ancient, medieval, and Renaissance science. Included in her professional correspondence are numerous letters from George Sarton and Lynn Thorndike. College records, class materials and class notes document the development of her academic career beginning with her undergraduate career at Vassar. Numerous lecture notes, class notes and working papers reflect her teaching, research and lectures at New York University, Cornell, the Columbia University Renaissance Seminar, and her active participation in professional organizations such as the History of Science Society. Of particular interest are eight boxes of notes and related printed materials concerning astronomy, astronomers, and the history of science.