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Paul H. Barrett

The Different Forms of Flowers on Plants of the Same Species
The Works of Charles Darwin Volume 3
A Concordance to Darwin's The Expression of the Emotions in Man and Animals
A Concordance to Darwin's the Descent of Man, and Selection in Relation to Sex (Collection on Technology & Work)
Works of Charles Darwin : Vol 14: a Monograph on the Fossil Lepadidae
Darwin on Man: A Psychological Study of Scientific Creativity
The Works of Charles Darwin: Monographs of the fossil Lepadidae and the fossil Balanidae
The Works of Charles Darwin
The Works of Charles Darwin
Concordance to Darwin's Origin of Species
Charles Darwin's Notebooks, 1836-1844 Geology, Transmutation of Species, Metaphysical Enquiries
Metaphysics, Materialism, and the Evolution of Mind The Early Writings of Charles Darwin
Charles Darwin's Notebooks, 1836-1844 Geology, Transmutation of Species, Metaphysical Enquiries
The Works of Charles Darwin: Diary of the voyage of H.M.S. Beagle
Charles Darwin's Notebooks, 1836-1844 Geology, Transmutation of Species, Metaphysical Enquiries