Items where Author is "Spence, Clark C."
 | Up a level |
Group by: Item Type | No Grouping
Number of items: 2.
Article
Spence, Clark C. Experiments in American steam cultivation. , 1959.
Book
Spence, Clark C. God speed the plow : the coming of steam cultivation to Great Britain. Urbana, Il : University of Illinois Press. , 1960