1. The Artificial Production of Eye Abnormalities in the Chick Embryo;Stockard, Ch R.;Anatomical Record,1914
2. Experimental Studies on the Origin of Monsters;Weber, E.I.;Journal of Experimental Zo6logy,1916
3. Beitrage zur Kenntniss der pathol. Anatomie der angeborenen Missbildungen des Auges;Hess, C.;Arch. f. Ofihthal., Bd,Abt. 3,