118. The mechanism of aromatic side-chain reactions with special reference to the polar effects of substituents. Part III. The effect of unipolar substituents on the critical energy and probability factors in the interaction of benzyl bromide with pyridine and -picoline in various solvents John W. Baker and W. S. Nathan J. Chem. Soc., 1935, 519–527, doi:10.1039/JR9350000519
428. The mechanism of aromatic side-chain reactions with special reference to the polar effects of substituents. Part IV. The mechanism of quaternary salt formation John W. Baker, Wilfred S. Nathan, J. Chem. Soc., 1935, 1840–1844 doi:10.1039/JR9350001840
429. The mechanism of aromatic side-chain reactions with special reference to the polar effects of substituents. Part V. The polar effects of alkyl groups John W. Baker, Wilfred S. Nathan, J. Chem. Soc., 1935, 1844–1847 doi:10.1039/JR9350001844