References
- Sarjeant , W.A.S. 1974 . A History and Bibliography of the Study of fossil vertebrate footprints in the British Isles . Palaeogeography, Palaeoclimatology, Palaeoecology , 16 : 265 – 378 .
- Spalding , David . 1993 . “ Dinosaur Hunters ” . In 150 Years of Extraordinary Discoveries , 310 Key Porter Books .
- Correspondence Author: Mr. David Spalding, 1105 Ogden Road, RR#1, Pender Island, British Columbia, VON 21111, CANADA.