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  1. On the sources of the nitrogen of vegetation : with special reference to the question whether plants assimilate free or uncombined nitrogen / by John Bennet Lawes, Joseph Henry Gilbert and Evan Pugh.
    By: Lawes, J. B. - Gilbert, Joseph Henry, - Pugh, Evan,
    Publication info: London :Printed by Taylor and Francis,1862.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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  2. On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen.
    By: Lawes, J. B. - Gilbert, Joseph Henry, - Pugh, Evan,
    Publication info: London,Printed by Taylor and Francis,1862.
    Contributed by: Cornell University Library
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  3. The Rothamsted experiments : being an account of some of the results of the agricultural investigations, conducted at Rothamsted in the field, the feeding shed, and the laboratory over a period of fifty years.
    By: Lawes, J. B.
    Publication info: Edingurgh :Blackwood,1895.
    Contributed by: Gerstein - University of Toronto (archive.org)
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  4. Upon some properties of soils, which have grown a cereal crop and a leguminous crop for many years in succession. By Sir John Bennet Lawes.
    By: Lawes, J. B.
    Publication info: [Cirencester, Eng.]1895.
    Contributed by: University of California Libraries (archive.org)
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