Photographs, reports, newsletters, memorada, program descriptions, reviews, and related materials documenting the Department of Chemistry and Chemical Biology at RPI compiled by Professor Ronald Bailey, 1947-1991. Also, a copy of Professor Bailey's 2022 manuscript history of the department, a history of the Major Instrumentation Center by Dr. Schwartz, and Christmas cards sent to the RPI chemistry community by John B. Cloke.

Fisherman's almanac, published in 1851, which includes extra details for anglers in the United States.

Mathematical table of sine, cosine, tangent, and cotangent values belonging to Hiram D. Harris, RPI Class of 1923.

The Dora P. Crouch Papers, 1955-1989 (bulk 1965-1989), chronicle her academic and professional activities at several California colleges and universities, and at RPI in Troy NY. They are divided into four series: I. Correspondence 1982-1989 (.4 cu.ft.); II. Curriculum/Course Material 1969-1989 (2 cu.ft.); III. Publications and Papers 1955-1988 (.8 cu.ft.); and IV. Subject Files, in nine subseries, 1959-1989 (2.9 cu.ft.). Series I, Correspondence, arranged chronologically, contains exchanges with colleagues, as well as material related to her membership in RPI committees (Faculty Council, Curriculum, Honors, Graduate Program), and to her publication efforts. Series II, Curriculum/Course Material, is arranged chronologically, then alphabetically by subject per semester. It includes handwritten notes, mimeograph and xerographic handouts, overhead transparencies, examples of student work, and a set of cassettes, chronicling twenty years of Professor Crouch's teaching and efforts at curriculum development. Series III, Publications and Papers, begins with class notes taken by Ms. Crouch while a student at Michigan and UCLA. Next there are drafts and reprints of some of her articles, excerpts from her two books, a project description for Volume One of the Art and Architecture Thesaurus, and drafts and copies of book reviews. Finally, there are flyers related to art exhibits and prizes which she sponsored, and to her public lectures. Series IV, Subject Files, consists of nine subseries. A: Curriculum Vitae, 1974-1988. B: Grant proposals arranged chronologically. C: California Chapter AIP membership material, 1959-. D: Society of Architectural Historians files, arranged chronologically, reflecting in part her presidency of two chapters and her editorship (1972-80) of the Society newsletter. E: Dominguez Hills, concerning proposals for an external degree program, and for a College of Life Studies. F: RPI Committees, including Women Faculty at RPI, Architectural Library, Library Advisory, Curriculum, and student advising committees. G: RPI Job Files, 1979-1989, containing materials supportive of her annual performance assessments. H: Unity House 1981-1985 service project notes. I: Miscellaneous.

This collection contains nearly 300 manuscript items related to the science of geology.  Together with over 500 rare books it is part of the Gerald and Sue Friedman History of Geology Collection.

Official records of the Rensselaer Research Division, 1951-2017.

Color photographs, speeches by R. Byron Pipes, program and itineraries to highlight the rededication of Walker Laboratory in 1996.