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Harold Oscar Marsh

b. 1885 – d. 1918 · 3 books

Books by Harold Oscar Marsh

The horse-radish webworm. [Plu
The horse-radish webworm. [Plutella armoracia Busek]
1913
The striped beet caterpillar
The striped beet caterpillar
1913
Some insects injurious to truck crops
Some insects injurious to truck crops
1910