University of Wisconsin–Madisonimages.library.wisc.edu/WI/EFacs/USAIN/WiscHexapod/... · HARLEY...
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University of Wisconsin–Madisonimages.library.wisc.edu/WI/EFacs/USAIN/WiscHexapod/... · HARLEY FROST 'NILSON Professor of Economic Entomolog and Head of Department Wilson, H. 1909