1. The interpretation of the electrocardiogram by vector methods;Grant,1949
2. Spatial vector electrocardiography: clinical electrocardiographic interpretation. Robert P. Grant and E. Harvey Estes, Jr.. 1951. The Blakiston Company.
3. Atlas of spatial vector electrocardiography;Hurst,1952
4. Clinical electrocardiography: the spatial vector approach;Grant,1957
5. The construction of mean spatial vectors from null contours;Frank;Circulation,1954