-
By: Keen, F. P. (Frederick Paul),
Edition: Slightly rev. Apr. 1939.
Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1939]
Volume: no.273
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul),
Edition:
Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1938
Volume: no.273
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul),
Edition: Rev. July 1952.
Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1952
Volume: no.273
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul),
Edition: Rev. May 1966
Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, Forest Service, [1966]
Volume: no.1
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul), - United States. Bureau of Entomology and Plant Quarantine. Division of Forest Insect Investigations.
Edition:
Publication info: Portland, Oregon, United States Bureau of Entomology and Plant Quarantine, June 1, 1937
Volume: 1937
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul), - United States. Bureau of Entomology.
Edition:
Publication info: [Washington?], U.S. Dept. of Agriculture, [1927]
Volume: 1927
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections:
-
By: Keen, F. P. (Frederick Paul), - United States. Forest Service.
Edition:
Publication info: Washington, D.C, U.S. Dept. of Argiculture, Forest Service, 1955
Volume: no.1 (1955)
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects:
BHL Collections: