Bentham, G. (1863-1878) Flora Australiensis: a description of the plants of the Australian Territory. Reeve, London.

Seemann, B (1863) Was the cocoa-nut known to the ancient Egyptians? J. Bot. 1, 99-104. [also see The Parthenon No 34, 1862]

Wallace, A.R.(1863) On the physical geography of the Malay archipelago. J. Roy. Geog. Soc. (S78: 1863).