Trustees' Duties to provide information and the significance of letters of wishes
More letters of Charles Darwin, 2 voll., Murray, London 1903.
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The life and letters of Charles Darwin, a cura del figlio Francis Darwin, 3 voll., Murray, London 1888.
Pagina 262
Darwin and Henslow: the growth of an idea. Letters 1831-1860, edited by Nora Barlow, J. Murray, London 1967.
Pagina 262
Emma Darwin, wife of Charles Darwin: A century of family letters, pubblicate dalla figlia H. E. Lichtfield, Cambridge University Press, 1904.
Pagina 262
Accademia della crusca
