1. The effects of cold and colchicine on mitosis in newt;Barber;Proc. Roy. Soc. B.,1943
2. A cytological study of c-mitosis in the polysomatic plant Spinacia oleracea, with comparative observations on Allium cepa;Berger;Bull. Torrey Bot. Club.,1943
3. The effect of colchicine on root mitoses in Allium;Levan;Hereditas,1938
4. Quantitative investigations on the reaction of yeast to certain biologically active substances;Levan;Hereditas,1943
5. The mechanism of c-mitotic action;Levan;Hereditas,1943