Paul H. Barrett

Paul H. Barrett is Professor of Natural Science at Michigan State University.
Ebooks
The Works of Charles Darwin: v. 1: Introduction; Diary of the Voyage of HMS Beagle
The Works of Charles Darwin: v. 21: Descent of Man, and Selection in Relation to Sex (, with an Essay by T.H. Huxley)
1.0
The Works of Charles Darwin: Vol 17: The Various Contrivances by Which Orchids are Fertilised by Insects
The Works of Charles Darwin: v. 2: Journal of Researches into the Geology and Natural History of the Various Countries Visited by HMS Beagle (1839)
The Works of Charles Darwin: Vol 27: The Power of Movement in Plants (1880)
The Works of Charles Darwin: Vol 29: Erasmus Darwin (1879) / the Autobiography of Charles Darwin (1958)
The Works of Charles Darwin: Vol 8: Geological Observations on the Volcanic Islands Visited during the Voyage of HMS Beagle (1844) [with the Critical Introduction by J.W. Judd, 1890]
The Works of Charles Darwin: v. 9: Geological Observations on South America (1846) (with the Critical Introduction by J.W. Judd, 1890)
The Works of Charles Darwin: Vol 15: On the Origin of Species
The Works of Charles Darwin: Vol 18: The Movements and Habits of Climbing Plants
The Works of Charles Darwin: Vol 20: The Variation of Animals and Plants under Domestication (, 1875, Vol II)
The Works of Charles Darwin: Vol 10: The Foundations of the Origin of Species: Two Essays Written in 1842 and 1844 (Edited 1909)
The Works of Charles Darwin: Vol 27: The Power of Movement in Plants (1880)
The Works of Charles Darwin: Vol 18: The Movements and Habits of Climbing Plants
The Works of Charles Darwin: v. 2: Journal of Researches into the Geology and Natural History of the Various Countries Visited by HMS Beagle (1839)
The Works of Charles Darwin: v. 22: Descent of Man, and Selection in Relation to Sex (, with an Essay by T.H. Huxley)
The Works of Charles Darwin: Vol 10: The Foundations of the Origin of Species: Two Essays Written in 1842 and 1844 (Edited 1909)
The Works of Charles Darwin: Vol 23: The Expression of the Emotions in Man and Animals
The Works of Charles Darwin: Vol 24: Insectivorous Plants
The Works of Charles Darwin: Vol 13: A Monograph on the Sub-Class Cirripedia (1854), Vol II, Part 2
The Works of Charles Darwin: Vol 14: A Monograph on the Fossil Lepadidae (1851)
The Works of Charles Darwin: Vol 19: The Variation of Animals and Plants under Domestication (, 1875, Vol I)
The Works of Charles Darwin: Vol 23: The Expression of the Emotions in Man and Animals
The Works of Charles Darwin: Vol 8: Geological Observations on the Volcanic Islands Visited during the Voyage of HMS Beagle (1844) [with the Critical Introduction by J.W. Judd, 1890]
The Works of Charles Darwin: Vol 29: Erasmus Darwin (1879) / the Autobiography of Charles Darwin (1958)
The Works of Charles Darwin: v. 4: Zoology of the Voyage of HMS Beagle, Under the Command of Captain Fitzroy, During the Years 1832-1836 (1838-1843)
The Works of Charles Darwin: v. 28: Formation of Vegetable Mould, Through the Action of Worms, with Observations on Their Habits (1881)
The Works of Charles Darwin: v. 21: Descent of Man, and Selection in Relation to Sex (, with an Essay by T.H. Huxley)
2.5
The Works of Charles Darwin: v. 22: Descent of Man, and Selection in Relation to Sex (, with an Essay by T.H. Huxley)
The Works of Charles Darwin: Vol 15: On the Origin of Species
The Works of Charles Darwin: Vol 12: A Monograph on the Sub-Class Cirripedia (1854), Vol II, Part 1
The Works of Charles Darwin: Vol 14: A Monograph on the Fossil Lepadidae (1851)
The Works of Charles Darwin: Vol 26: The Different Forms of Flowers on Plants of the Same Species
The Works of Charles Darwin: v. 4: Zoology of the Voyage of HMS Beagle, Under the Command of Captain Fitzroy, During the Years 1832-1836 (1838-1843)
The Works of Charles Darwin: Vol 19: The Variation of Animals and Plants under Domestication (, 1875, Vol I)