1. Jurassic stages;Ager;Nature,1963
2. Palaeogeography of the Gondwana period in Gondwanaland, with special reference to India, and Australia, and its bearing on the theory of continental drift;Ahmad;Mem. Geol. Surv. India,1961
3. Jurassic Geology of the World;Arkell,1956
4. Geosynclines;Aubouin,1965
5. Structural and Tectonic Principles;Badgley,1965