1. Ueber die Alkaloide der Weissen Nieswurz;Salzberger;Arch. d. Pharmazie,1890
2. Studies on veratrum alkaloids. IV. The sites of the heart rate lowering action of veratridine;Krayer;J. Pharmacol. & Exper. Therap.,1943
3. Studies on veratrum alkaloids. VI. Protoveratrine. Its comparative toxicity and its circulatory action;Krayer;J. Pharmacol. & Exper. Therap.,1943
4. The pharmacology of the veratrum alkaloids;Krayer;Physiol. Rev.,1946
5. Veratrum viride in chorea and convulsive diseases;Baker;South. Med. & Surg.,1859