Published in Bulletin of the British Museum (Natural History). Geology., in 1949, in volume 1, issue 1, pages 1-19

Created: 2013-03-01, modified: 2021-05-13

Published in Bulletin of the British Museum (Natural History). Geology., in 1949, in volume 1, issue 2, pages 25-48

Created: 2021-05-12, modified: 2021-05-12