The Ecology of the Westphalian and the Lower Part of the Staffordian Series of Clydach Vale and Gilfach Goch (East Glamorgan)
- 16 May 1921
- journal article
- Published by Geological Society of London in Quarterly Journal of the Geological Society
- Vol. 77 (1-4), 30-74
- https://doi.org/10.1144/gsl.jgs.1921.77.01-04.05