The Penang Botanic Gardens, 1794-1905 : the design and development of a tropical botanic garden
Jones, David 1998, The Penang Botanic Gardens, 1794-1905 : the design and development of a tropical botanic garden, Studies in the history of gardens and designed landscapes, vol. 8, no. 2, April-June, pp. 145-160.
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The Penang Botanic Gardens, 1794-1905 : the design and development of a tropical botanic garden