1. Ichnology of New England: A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks;E Hitchcock,1858
2. Supplement to the Ichnology of New England: A Report to the Government of Massachusetts in 1863, Appendix [A];E Hitchcock,1865
3. Names of extinct reptiles;OC Marsh;Am J Sci,1885
4. Notice of new vertebrate fossils;OC Marsh;Am J Sci,1891
5. Notes on Triassic Dinosauria;OC Marsh;Am J Sci,1892