Materials related to the Rochester Institute of Technology's George H. Clark Building, built in 1946 and occupied by RIT until 1968. The collection contains numerous documents related to the building's construction, as well as correspondence and publications regarding the building itself. Also included are clippings and various items that were placed in the building's cornerstone.

Materials related to the construction of the College Alumni Union on the Henrietta campus, as well as its use and activities. The facility was built as part of the Rochester Institute of Technology's new campus in 1968 and is now known as the Student Alumni Union. The collection includes publications such as brochures, correspondence, planning documents, printed policies, concert fliers, and clippings. There is also a dedication ceremony guest book and a scrapbook in the collection.

Contains correspondence, loan agreements, and contract records relating to the conversion of the Manger Rochester Hotel to a men's dormitory on the Rochester Institute of Technology downtown campus.