1918
Bibliografía (6 obras)
An introduction to gymnosperms, cycas, and cycadales
2002
The genuslycopodium in India
1985
Gametophytes of ophioglossaceae
1984
The theory of continental drift in the light of recent researches
1975
Cycas and the Cycadales
1973
Studies in gymnospermous plants
1962
