1. A hormone causing pupation in the blowfly, Calliphora erythrocephala;Fraenkel,1935
2. A study of the physical and chemical properties of the insect cuticle;Fraenkel,1940
3. The structure of insect cuticles;Fraenkel,1947
4. Biological and ecological investigations of flies associated with pasturing cattle and their excrement;Hammer;Vidensk. Meddr dansk naturh. Foren.,1942
5. On the calcium carbonate and the calcosphaerites in the Malpighian tubes and the fat body of Dipterous larvae and the ecdysial elimination of these products of excretion;Keilin;Quart. J. micr. Sci.,1921