Leffingwell, Randy (1948-). Papers.
Collection Number: MC138
- Agricultural technology historian and author of The American farm tractor (1991), John Deere farm tractors (1993), Classic farm tractors (1993), and Caterpillar (1994).
- Typescript of Caterpillar (1994).
- Inclusive Dates
- Agricultural Technology
- Many collections are stored offsite and need to be retrieved for your research visit. To begin the request process, researchers should e-mail firstname.lastname@example.org at least five business days before visiting. Please wait for confirmation that the collection is available before visiting.