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. Experiments on the toxic action of certain gases on insects, seeds, and fungi
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
  2. Bulletin of the U.S. Department of Agriculture
    Publication info: [Washington, D.C.?], Supt. of Docs., G.P.O, 1913-1923