LP Hammett: The Effect of Structure upon the Reactions of Organic Compounds. Benzene Derivatives. Journal of the American Chemical Society, tammikuu 1937, 59. vsk, nro 1, s. 96–103. doi:10.1021/ja01280a022. ISSN 0002-7863. Artikkelin verkkoversio.
RW Taft: Linear Free Energy Relationships from Rates of Esterification and Hydrolysis of Aliphatic and Ortho-substituted Benzoate Esters. Journal of the American Chemical Society, kesäkuu 1952, 74. vsk, nro 11, s. 2729–2732. doi:10.1021/ja01131a010. ISSN 0002-7863. Artikkelin verkkoversio.
LP Hammett: The Effect of Structure upon the Reactions of Organic Compounds. Benzene Derivatives. Journal of the American Chemical Society, tammikuu 1937, 59. vsk, nro 1, s. 96–103. doi:10.1021/ja01280a022. ISSN 0002-7863. Artikkelin verkkoversio.
RW Taft: Linear Free Energy Relationships from Rates of Esterification and Hydrolysis of Aliphatic and Ortho-substituted Benzoate Esters. Journal of the American Chemical Society, kesäkuu 1952, 74. vsk, nro 11, s. 2729–2732. doi:10.1021/ja01131a010. ISSN 0002-7863. Artikkelin verkkoversio.
LP Hammett: The Effect of Structure upon the Reactions of Organic Compounds. Benzene Derivatives. Journal of the American Chemical Society, tammikuu 1937, 59. vsk, nro 1, s. 96–103. doi:10.1021/ja01280a022. ISSN 0002-7863. Artikkelin verkkoversio.
RW Taft: Linear Free Energy Relationships from Rates of Esterification and Hydrolysis of Aliphatic and Ortho-substituted Benzoate Esters. Journal of the American Chemical Society, kesäkuu 1952, 74. vsk, nro 11, s. 2729–2732. doi:10.1021/ja01131a010. ISSN 0002-7863. Artikkelin verkkoversio.