1. Übersicht: ?Strychnos Alkaloids,? in ?The Alkaloids,? Vol. VIII, Herausgeber Academic Press, New York 1965, S. 599-600.
2. & ?Imidazoles and Condensed Imidazoles,? in ?Heterocyclic Compounds,? Vol. 5, Herausgeber John Wiley & Sons Inc., New York 1957, S. 274-288.
3. Studies on strychnine derivatives and conversion into brucine