1. Willem Einthoven;Lewis;Heart,1927
2. Thomas Lewis 1881–1945;Drury;Obituary. R Soc Med,1945
3. The string gavalnometer and the measurement of the action currents of the heart. Nobel lecture, December 11, 1925;Einthoven,1977
4. The mechanism and graphic registration of the heart beat;Lewis,1925
5. Foreword;Wilson,1951