1. Electricity in Agriculture and Horticulture, “The Electrician”;Lemström,1904
2. The effect of electricity upon plants;Priestley,1906
3. Overhead electrical discharges and plant growth;Priestley;J. Board Agri. G.B.,1910
4. Electricity as applied to agriculture;Newman;Electrician,1911
5. Effect of the relative length of day and night and other factors of the environment on growth and reproduction in plants;Garner;J. Agri. Res.,1920