BOOKQUE

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Beekeeping in California. J. E. Eckert. [Revised Edition.].
J. E. Eckert
· 1947
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Beekeeping in California. (Rev. 1947).
J. E. Eckert , University of California Agricultural Extension Service
· 1941
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Alleged Vitamin E Content in Royal Jelly
No author available
· 1937
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Nectar and Pollen Plants of California
California Agricultural Experiment Station , J.E. Eckert , G.H. Vansell
· 1931
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Queen Reading
J. E. Eckert
· 1962
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Ants and Their Control in California
California Agricultural Experiment Station , A. Mallis , J.E. Eckert
· 1937