Books by Mattoon, Wilbur R. (Wilbur Reed) (sorted by popularity)
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- Forest Trees of Texas: How to Know Them Wilbur R. Mattoon and C. B. Webster 243 downloads
- Forest Trees of Illinois: How to Know Them George D. Fuller, E. E. Nuuttila, Wilbur R. Mattoon, and Robert B. Miller 122 downloads
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Displaying results 1–2