Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 17, issue 2, pages 47-102

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 1, pages 1-70

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 4, pages 125-199

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 5, pages 201-239

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 7, pages 341-368

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 15, issue 5, pages 181-281

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 15, issue 6, pages 283-324

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 3, pages 99-123

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 17, issue 1, pages 1-45

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 15, issue 4, pages 169-180

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 2, pages 71-98

Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 16, issue 6, pages 241-340

Published in Bulletin of the British Museum (Natural History). Geology, in 1968, in volume Supplement 4, pages 1-112