Johnson, P.C., bosbeheer
Johnson, Philip C. (Philip Cornwell), 1907-1990
Johnson, Philip C. 1907-1990
VIAF ID: 26458985 ( Personal )
Permalink: http://viaf.org/viaf/26458985
Preferred Forms
Works
Title | Sources |
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Blade pineleafscale | |
The mountain pine beetle | |
Outbreaks of the western spruce budworm in the American northern Rocky Mountain area from 1922 through 1971 |