scholarly article published in 1903

scholarly article published in 1899

scientific article published in 1894

scholarly article published in 1904

scholarly article published in 1898

scholarly article published in 1897

scholarly article published in 1897

scholarly article published in 1898

scientific article

scholarly article published in 1899

scholarly article published in 1898

scientific article

scientific article published in 1902

scholarly article published in 1906

scientific article published in 1902

scientific article published in 1923

Cambridge, U.S.A.: Printed for the Museum, 1909.

scientific article

scholarly article published in 1898

scholarly article published in 1905

scientific article

scholarly article published in 1901

scientific article

scholarly article published in 1905

scientific article

scholarly article published in 1906

scholarly article published in 1897

scholarly article published in 1904

Paris: Masson, [1907?]

Paris: Masson, [1913?]

scholarly article published in 1903

article published in 1927

scholarly article published in 1895

scientific article

scholarly article published in 1900

scientific article

scientific article

scholarly article published in 1899

scholarly article published in 1901

scholarly article published in 1897

scholarly article published in 1906

scholarly article published in 1895

scholarly article published in 1904

scientific article

scholarly article published in 1898

scholarly article published in 1901

scholarly article published in 1901

scientific article

scholarly article published in 1896

scientific article

scientific article

scholarly article published in 1895

scientific article

scholarly article published in 1906

scholarly article published in 1906

London: T.Fisher Unwin, 1922.

scholarly article published in 1901

scholarly article published in 1906

Paris: Librairie C. Reinwald, [1899?]