dcsimg
Maintenance is complete. Ongoing issues at the Internet Archive may prevent images from loading. Thank you for your patience.

Select Bibliography To View

  1. Reports of experiments with various insecticide substances, chiefly upon insects affecting garden crops
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Division of Entomology, 1886
  2. Bulletin
    Publication info: Washington, G.P.O, 1883-1904