1. (a) Physical Organic Chemistry, McGraw-Hill: New York, 1st ed. 1940 and 2nd ed. 1970.
2. A Reëxamination of the Hammett Equation.
3. (d) In Correlation Analysis of Chemical Data, (eds). Plenum Press: New York, 1988; Chapter 10, 439ff.
4. (e) Osnovy kolichestvennnoy teoryi organitcheskikh soedineni. Izd. Khimya: Leningrad, 1967.