1958/02/21: E. L. Kammerer to John D. Siebenthaler
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1958/02/21: E. L. Kammerer to John D. Siebenthaler


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February 21 1958
Letter from E. L. Kammerer to John D. Siebenthaler thanking him for his compliments on the Ginkgo issue of the Bulletin of Popular Information. Mr. Kammerer also writes that they immediately investigated the warm bark theory that Mr. Siebenthaler had mentioned, but their results were inconclusive and he says they will continue to investigate.
Correspondence
Bark
Ginkgo biloba L. (ginkgo)
Siebenthaler, John D. (received by)
English
Copyright statement: Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.