1. Imperial Chemistry;Pope;Jour. Soc. Chem. Ind.,1922
2. Chemistry of Life;Pope;Jour. Ind. Eng. Chem.,1922
3. Dejust Wibaux Dardel See Pub. Health Eng. Abs. of August 12, 1922
4. Floyd , Frothingham See Pub. Health Eng. Abst. of October 14, 1922
5. Hardy , W. B. The theory of lubrication Fourth Report on Colloid Chemistry, etc.