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Helen V. Barnes

b. 1888 ยท 2 books

Books by Helen V. Barnes

A bibliography of plant pathology in the tropics and in Latin America
A bibliography of plant pathology in the tropics and in Latin America
1951
List of bulletins of the agricultural experiment stations for the calendar years 1941 and 1942
List of bulletins of the agricultural experiment stations for the calendar years 1941 and 1942
1944