He whakaaturanga anō
Rārangi pukapuka
Allan, M. The Hookers of Kew. London, 1967
Huxley, L. Life and letters of Sir Joseph Dalton Hooker. 2 vols. London, 1918
Turrill, W. B. Joseph Dalton Hooker. London, 1963
Tāngia te kōrero katoa
Tāngia te kōrero katoa