1. Charles Darwin and the Galapagos Islands;Barlow;Nature,1935
2. Darwin’s pet Galápagos tortoise, Chelonoidis darwini, rediscovered;Bauer;Chelonian Conservation and Biology,2010
3. Island biogeography of Galápagos lava lizards (Tropiduridae: Microlophus): species diversity and colonization of the archipelago;Benavides;Evolution,2009
4. On the extinct Galapagos tortoise that inhabited Charles Island;Broom;Zoologica,1929
5. Charles Darwin: the power of place. Volume II of a biography;Browne,2002