1. Sedimentation of the Aalenian rocks of Yorkshire;Black,1934
2. Morphology of spores from the family Marattiaceae s.l. and its place in the system of Pteropsida;Bobrov,1973
3. Studies in the morphology of spore-producing members III: Marattiaceae;Bower;Philos. Trans. R. Soc. London, B,1898
4. The Eusporangiatae;Campbell,1911