Books by Robert John Harvey Gibson:
Books in the extended shelves:
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Gibson, Robert John Harvey, 1860-1929: Jost's Plant physiology (Clarendon Press, 1907), also by Ludwig Jost (page images at HathiTrust)- Gibson, Robert John Harvey, 1860-1929: Plant physiology. Supplement. (Clarendon Press, 1913), also by Ludwig Jost (page images at HathiTrust)
Find more by Robert John Harvey Gibson at your library, or elsewhere.