[1981]
Book
JLC Title 245h
[microform]
1982.
Book
JLC Title 245h
microform
1957.
Descriptions and illustrations of 43 nautiloids and ammonoids and correlation of the assemblages with European Carboniferous goniatite zones.
Book
1960.
"Descriptions and illustrations of 34 species and I new genus, with brief discussion of their stratigraphic significance."
Book