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Books by Hermann August Hagen

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2 books found
Destruction Of Obnoxious Insects: Phylloxera, Potato Beetle, Cotton Worm, Colorado Grasshopper, And Greenhouse Pests (1879)
Destruction Of Obnoxious Insects: Phylloxera, Potato Beetle…
By: Hermann August Hagen
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Bibliotheca Entomologica (German Edition)
Bibliotheca Entomologica (German Edition)
By: Hermann August Hagen
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