American Museum of Natural History. Digitized Special Collections material.
Beautiful Birds: Masterpieces from the Hill Ornithology Collection, Cornell University Library.
Frederick Parkhurst Dodd Collection from the Queensland Museum. Gorgeously displayed insect collections. Part of the Google Cultural Institute.
John J. Audubon's Birds of America. Audubon Society site offering free high resolution images of the prints from this work.
Science Gossip. Site asks users to help classify illustrations that appeared in Victorian natural history periodicals.
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