Proceedings of the ... annual conference.
|Corporate Author:||Western Plant Quarantine Board.|
Sacramento, State of California, Dept. of Agriculture, [1918?]-
Plants, Protection of.
Insect pests > Congresses.
Beneficial insects > Congresses.
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Plants, Protection of > West (U.S.) > Congresses.
United States, West.
None held in 1943.
5th (1923)--held in Phoenix, Ariz.
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|Full view1919-27||University of California|
|Limited (search only)1928-44||University of California|