London: Dulau & co., 1890.

Boston: Ticknor and Fields, 1868.

London: Longman, Brown, Green, Longmans, & Roberts [etc.], 1859.

Neuchâtel, Wolfrath, 1845

London, Ray society, 1848-54.

1840 book by Louis Agassiz

book by Johann Jakob von Tschudi

Collection of fish fossils created by Louis Agassiz (1807-1873) belonging to the Museum of natural history of Neuchâtel

collection of sea urchin fossils casts created by Louis Agassiz (1807-1873) belonging to the Museum of natural history of Neuchâtel

French translation of the Sowerbys' Mineral Conchology of Great Britain

Boston: American Academy of Arts and Sciences, 1850

publication with 5 volumes, 1857–62

[s.n.] :[s.n.],n.d.. | Cambridge University Library

New York: J. Fitzgerald, 1883

Washington: [s.n.], 1855.

[Cambridge, 1853].

[ca. 1849] | Smithsonian Libraries

Cambridge, Belknap Press of Harvard University Press, 1962.

Boston, J. R. Osgood, 1871.

Boston, Houghton, Mifflin and Company, 1890.

Neufchatel: Eduard Leibrock, 1838-1839.

essay by Jean Louis Rodolphe Agassiz

Huntington, N.Y.]R. E. Krieger Pub. Co., 1974 [c1850]

Boston: Gould, Kendall and Lincoln, 1850.

Boston :Gould, Kendall & Lincoln,1850. | Cambridge University Library

Boston, Gould, Kendall and Lincoln, 1850.

LondonMacmillan1885

Boston: James R. Osgood and Co., 1874.

Boston :Ticknor and Fields,1863. | Natural History Museum Library, London

Neuchâtel: L'auteur, 1838-1842.

1889 book

Charleston, S. C., Steam-Power Press of Walker and James, 1850.

London :H. G. Bohn,1851. | Royal College of Physicians in Edinburgh (arch

essay

Part II of an essay

Cambridge, Mass.: Printed for the Museum, 1880.

Washington, Smithsonian institution, 1850