1. Lower and Middle Devonian spores of North and Central Vestspitsbergen;Allen;Palaeontology,1965
2. A new Devonian lycopod genus from southeastern New York;Banks;Am. J. Bot.,1944
3. Tetraxylopteris schmidtii: its fertile parts and its relationships within the Aneurophytales;Bonamo;Am. J. Bot.,1967
4. Geologic map of New York, State Museum and Science Service;Fisher;Geol. Surv. Albany. Map, Chart Ser.,1962
5. Lycopods of the Devonian of New York State;Grierson;Palaeontogr. Am.,1963