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2. Notes on the Genus Desmostylus of Marsh. - University of California Publications;Merriam;Bull. of Dept. of Geology,11911
3. Notes on a New Fossil Mammal;Yoshiwara;Journal of the College of Science, Imp. Univ., Tokyo, Japan,301902
4. Die vorzeitlichen säugetiere,
5. Die stämme der wirbeltiere, von Othenio Abel.