Note 2 — DISEASE RESISTANCE IN THE AMERICAN CHESTNUT[1]
Reading edition
Metcalf, Haven & Collins, J. Franklin. The Control of the Chestnut Bark Disease. Farmer's Bulletin—467, 1911, P. 5.
Reading edition
Metcalf, Haven & Collins, J. Franklin. The Control of the Chestnut Bark Disease. Farmer's Bulletin—467, 1911, P. 5.