1. Le Gloriosa superba L. et la production de substances colchiciniques;Bellet;Ann. Pharm. Fr.,1985
2. U.S. Patent Applied. 601,314;Brossi;Chem. Abst.,1984
3. The constituents of Gloriosa superba;Clewer;J. Chem. Soc. (London),1915
4. The Alkaloids;Cromwell,1955
5. Colchicine in Agriculture, Medicine, Biology and Chemistry;Eigsti,1955