1. The Theory and Practice of Lubrication: The ‘Germ’ Process.;Wells;J. Soc. of Chem. Ind,1920
2. Boundary Lubrication, - The Paraffin Series;Hardy;Proc. Roy. Soc. Lond.,1922
3. Le Frottement des Solides: Epaisseur Minimum d'un Enduit Lubréfiant;Desvaux;J. de Phys. et la Radium,1924
4. The Mechanism of the Surface Phenomena of Flotation;Langmuir;Trans. Farad. Soc.,1920
5. The Friction of Lubricated Metals;Bowden;Phil. Trans: Roy Soc.,1940