Sort By:
  1. Bark beetles of the genus Hylastes erichson in North America /
    By: Blackman, M. W. (Maulsby Willett),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1941.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  2. I. Notes on insects bred from the bark and wood of the American larch.
    By: Blackman, M. W. (Maulsby Willett), - Stage, Harry Hutchinson,
    Publication info: Syracuse,The University,[1918]
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
    View Book
  3. Report on the spruce budworm,
    By: Blackman, M. W. (Maulsby Willett), - Maine Agricultural Experiment Station. - Maine. Forest Commissioner. - University of Maine Forestry Department.
    Publication info: Maine1919.
    Holding Institution: University of California Libraries (archive.org)
    View Book
  4. Report on the white pine weevil,
    By: Blackman, M. W. (Maulsby Willett), - Maine Agricultural Experiment Station. - Maine. Forestry Commissioner. - University of Maine. Forestry Dept.
    Publication info: [S.l.] ;1919.
    Holding Institution: University of California Libraries (archive.org)
    View Book