Drawing of Brontozoum divaricatum
Drawing of Grallator gracilis
Drawing of the fossil footprints of several species
Drawings of sets of fossil footprints
Drawings of several slabs of fossil footprints
Drawings of the fossil footprints of several species
J. Peckham plate, "Fossil footmark," 1841
J. Peckham plate, "Fossil footmarks and bones," 1841
J. Peckham plate, "Fossil Footmarks, Scale 1/2 inch to the foot," 1841
J. Peckham plate, "Fossil footmarks," 1841
J. Peckham plate, "Sauroid footmark," 1841