Reptiles - Part V - The Zoology of the Voyage of H.M.S Beagle: Under the Command of Captain Fitzroy - During the Years 1832 to 1836Charles Darwin
Birds - Part III - The Zoology of the Voyage of H.M.S Beagle: Under the Command of Captain Fitzroy - During the Years 1832 to 1836Charles Darwin
Mammalia - Part II - The Zoology of the Voyage of H.M.S Beagle: Under the Command of Captain Fitzroy - During the Years 1832 to 1836Charles Darwin
On the Origin of Species: Or; The Preservation of the Favoured Races in the Struggle for LifeCharles Darwin
The Formation of Vegetable Mould, Through the Action of Worms, with Observations on Their HabitsCharles Darwin
Fossil Mammalia - Part I - The Zoology of the Voyage of H.M.S Beagle: Under the Command of Captain Fitzroy - During the Years 1832 to 1836Richard Owen