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- [2] On the measurement of hydrogen-ion concentrations in soil by means of the quinhydrone electrode JOURNAL OF AGRICULTURAL SCIENCE, 1924, 14 : 232 - 239
- [5] The influence of hydrogen-ion concentration on the decomposition of soil organic matter by hydrogen peroxide. JOURNAL OF AGRICULTURAL SCIENCE, 1932, 22 : 92 - 100
- [6] Apparatus for measuring hydrogen-ion concentration of the soil INDUSTRIAL AND ENGINEERING CHEMISTRY, 1928, 20 (01): : 421 - 423
- [8] Some remarks on the determination of the hydrogen-ion concentration of the soil RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS, 1924, 43 : 434 - 446