Joseph Dalton Hooker Quotes
Sir Joseph Dalton Hooker, Thomas Thomson (1855). “Introductory essay to the Flora Indica: including preliminary observations on the study of Indian botany; a summary of the labours of Indian botanists; a sketch of the meteorology of India; outlines of the physical geography and botany of the provinces of India: With 2 Maps. By J. D. Hooker and Thomas Thomson. Reprinted from the "Flora Indica"”, p.41
"Life and Letters of Sir Joseph Dalton Hooker O.M., G.C.S.I".
Joseph Dalton Hooker, Leonard Huxley (2011). “Life and Letters of Sir Joseph Dalton Hooker O.M., G.C.S.I.”, p.511, Cambridge University Press