Boston ;Houghton, Mifflin, 1900.

Boston, Houghton, Mifflin and Company, 1885.

artículo científico publicado en 1885

New York :E.P. Dutton,©1892. | Library of Congress

Boston andHoughton, Mifflin and company, 1888, 1897 printing.

Boston, Houghton, 1893.

Boston, Houghton, Mifflin & co., 1893.

Boston, Houghton, Mifflin and Company[c1892]

New York,E.P. Dutton & co.[1880] | Library of Congress

Boston, Houghton, Mifflin and company, 1899.

London, W. Wesley and son[pref. 1885]

Boston and New York, Houghton, Mifflin and company, 1904.