- B.S. University of Wisconsin-Platteville
- M.A. and Ph.D., University of Wisconsin
Nonfiction writing, regional history and writing, vocabulary development and learning, English as a second language
Professor Coomber, along with Sheldon Green of the Office of Communications and Marketing and Tom Riley, dean of NDSU Arts and Humanities, helped write a paper titled "Factions, Fictions, and Prospects for Farming and Ranching in the Upper Great Plains," which was presented at the annual meeting of the American Anthropological Association in New Orleans. His article "Vegetables Bring New Crop Possibilities for North Dakota," has been published in North Dakota Horizons magazine.