4 books • 3 series
Late Ordovician Brachiopods from the South China Plate and Their Palaeografical Significance (Special Papers in Palaeontology S., v. 59)
A Revised Correlation of Silurian Rocks in the British Isles (Geological Society Special Report S., No. 21.)
Llandovery Series of the Type Area (Geology Bulletin)
Correlation of Silurian Rocks in the British Isles