Paul D Stewart / Illustration of Laelaps (Dryptosaurus) confronting Elasmosaurus with Hadrosaurus foraging in the background. From Edwin Drinker Cope 'The fossil reptiles of New Jersey' in 'American Naturalist' vol 3...

Paul D Stewart / Illustration from Harpers Weekly, August 14th 1869 'Palaeozoic Museum, showing the rehabilitated forms of ancient animal life in america now being constructed in Central Park'. Wood cut from Benjamin...

Paul D Stewart / Illustration of iguanodon and megalosaurus by Riou in the revised English 1867 translation of Louis Figuier's 'Earth before the Deluge' 1863. The figure shows impressions after the collaboration betwe...

Paul D Stewart / Cartoon from Punch, September 13th 1890 showing Professor Othniel Marsh standing atop a triceratops skull, with some of his famous discoveries before him. Top left Pteranodon (Marsh 1870) the first pt...

Paul D Stewart / 1824 Double quarto Plate XL of Megalosaurus' jaw and teeth drawn by Mary Moreland (modern tinting), from William Buckland's 'Notice on the Megalosaurus or great Fossil Lizard of Stonesfield'. Transact...

Paul D Stewart / Portrait of Thomas Jefferson, polymath, American Founding Father and President (b. 13 April 1743 - d. 4 July 1826). Engraving by W.Holl in 'The Gallery of Portraits' 1837 with later colouring, after p...