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Reports of the trypanosomiasis expedition to the Congo, 1903-1904, of the Liverpool School of Tropical Medicine and Medical Parasitology / by J. Everett Dutton, John L. Todd and Cuthbert Christy / with a comparison of the trypanosomes of Uganda and the Congo Free State / by H. Wolferstan Thomas and Stanley F. Linton. Public Domain Mark. Source: Wellcome Collection.