The Descent of Man – Charles Darwin
Handbook to the Ferns of British India, Ceylon and the Malay Peninsula (1892)
Stars and Atoms – Arthur Eddington (1927) (3rd impression)
Mind and Matter – Erwin Schrödinger (1958) (1st ed)
A Garden Book for Malaya – Kathleen Gough (1940)
The Origin of Species – Charles Darwin (1930s)
Malay Poisons & Charm Cures – John D Gimlette (1929)
Sidelights on Relativity – Albert Einstein (1922) (1st ed)
Trapping Wild Animals in Malay Jungles – Charles Mayer (1921)
The Revolution in Physics – Louis de Broglie (1953) (1st ed)
Physiography: An Introduction to the Study of Nature – Thomas H. Huxley (1881)
Visions of Delight: The Singapore Botanic Gardens Through the Ages (1989) (1st ed)
