1. The Excitatory Process in the Dog's Heart. Part II. The Ventricles;Lewis;Phil. Tr., Lond. (B),1915
2. The Mechanism and Graphic Registration of the Heart Beat;Lewis,1925
3. The Excitatory Process Observed in the Exposed Human Heart;Barker;Am. Heart J.,1930
4. Ueber die Folgen der Durchschneidung der Tawara schen Schenkel des Reizleitungssystems;Eppinger;Ztschr. f. klin. Med.,1910
5. The Spread of the Excitatory Process in the Vertebrate Heart. Part III. The Dog's Ventricle;Lewis;Phil. Tr., Lond. (B),1916