By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|48|3|186-188

Society of American Foresters‎(1950)‎

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By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|34|10|919-927

Society of American Foresters‎(1936)‎

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By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|27|6|735-737

Society of American Foresters‎(1929)‎

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By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|41|4|249-253

Society of American Foresters‎(1943)‎

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By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|53|10|720-723

Society of American Foresters‎(1955)‎

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By Keen F. P.   in Journal of Forestry

ISSN:0022-1201|44|10|755-757

Society of American Foresters‎(1946)‎

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By KEEN F. P.   in Journal of Economic Entomology

ISSN:1938-291X|46|6|1107-1108

Entomological Society of America‎(1953)‎

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By Keen F. P.   Salman K. A.   in Journal of Forestry

ISSN:0022-1201|40|11|854-858

Society of American Foresters‎(1942)‎

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By EATON CHARLES B.   KEEN F. P.   in Journal of Economic Entomology

ISSN:1938-291X|57|4|613-614

Entomological Society of America‎(1964)‎

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By KEEN F. P.   FURNISS R. L.   in Journal of Economic Entomology

ISSN:1938-291X|30|3|482-504

Entomological Society of America‎(1937)‎

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