1. Child, C. M. '09. Factors of Form Regulation in Harenactis attenuata. III. Regulation in »Rings«. Journ. Exp. Zool. Vol. VII. 1909.
2. - '10. Further Experiments on Adventitious Reproduction and Polarity in Harenactis. Biol. Bull. Vol. XX. 1910.
3. - '11a. Die physiologische Isolation von Teilen des Organismus. Vortr. u. Aufs. Üb. Entw.-Mech. H. XI. 1911.
4. - '11b. A Study of Senescence and Rejuvenescence, Based on Experiments with Planarians. Arch. f. Entw.-Mech. Bd. XXXI. 1911.
5. - '11c. Studies on the Dynamics of Morphogenesis and Inheritance in Experimental Reproduction. I. The Axial Gradient in Planaria as a Limiting Factor in Regulation. Journ. Exp. Zool. Vol. X. 1911.