1. The distribution and significance of trace fossils in the uppermost Jurassic rocks of the Boulonnais. Northern France;Ager,1970
2. Experimentally produced halite compared with Triassic layered halite-rock from Cheshire, England
3. Triassic palaeogeography of the British Isles
4. Beasley. H. C. 1908. Report on tracks of invertebrates, casts of plants and markings of uncertain origin. Part I. . Rep. Br. Ass. Advmt Sci. (Dublin 1908), 269–274.
5. Blanckenhorn M. 1916. Organische Rcste im Mittleren Buntsandstein Hessens. . Sber. Ges. Beförd. ges. Naturw. Marburg 1916, 21–43.