E. Hitchcock. 1837. Fossil footsteps in sandstone and graywacke. The American Journal of Sciences and Arts 32:174-176
Bibliography (3)
E. Hitchcock. 1858. Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts
DOI ↗
E. Hitchcock. 1848. An attempt to discriminate and describe the animals that made the fossil footmarks of the United States, and especially of New England. Memoirs of the American Academy of Arts and Sciences, new series 3:129-256
DOI ↗
E. Hitchcock. 1841. Final Report on the Geology of Massachusetts
DOI ↗