1. Un nouveau galvanometre;Einthoven, W.;Arch Neerl Sc Ex Nat
2. A demonstration on man of electromotive changes accompanying the heart's beat;Waller, A.D.;J Physiol (Lond)
3. Electrocardiography 100 years ago: origins, pioneers, and contributors;Cooper, J.K.;N Engl J Med,1986
4. Electrocardiography and phonocardiography. A collective review;Barker, L.F.;Bull Johns Hopkins Hosp
5. Selected papers on electrocardiography of Willem Einthoven, with bibliography, biographical notes and comments;Snellen, H.A.,1977