Personal papers of Dr. Kranzberg from his undergraduate years at Amherst College through his professional career. Collection documents his involvement with development of the new field of history of technology and his role as principal founder of the Society for the History of Technology (SHOT); work as consultant and advisor to domestic and international agencies, colleges, and universities; personal affiliations, lectureships, publications; and teaching and administrative activities for more than 40 years as a college professor.

The Russian Aeronautical Collection is a mix of technical, historical, and cultural reference materials, including originals or copies of articles, documents and other historical materials relating to Russian and Soviet aviation from the Tsarist period through the Soviet era. The collection focuses on key events, personalities and aircraft designs, and certain subject areas are covered in depth, including the life and career of Igor Sikorsky, the transpolar flights of the 1930s, Soviet aviation in the Spanish Civil War, and the operational history of the Soviet Air Force in World War II.

The Technical Reference Files comprise an artificial collection that currently contains 1,900 cubic feet of aviation and space related materials, organized in 22 subject series. File materials include photographs, press releases, clippings, correspondence, reports, and brochures, on individuals, organizations, events, and objects.