- Assistant editor Papers of Benjamin H. Latrobe, Baltimore, 1974-1980. Mellon fellow Case Western Reserve University, Cleveland, 1976-1977, assistant professor, 1977-1983, associate professor, 1983-1986. Director Rockefeller Archive Center, North Tarrytown, New York, since 1986.
- Accounts of European Science, Technology, & Medicine Written by American Travelers Abroad, 1735-1860, in the Collections of the American Philosophical Society
- Includes preliminary observations and suggestions for further study and an annotated biblioraphy of printed and manuscript holdings at the American Philosophical Society Library.
- The Transfer of Early Industrial Technologies to America (Memoirs of the American Philosophical Society,)
- The transfer of technology has been a central factor in the process of industrialization wherever it has occurred.
1974 - 1980
1976 - 1977