1. Roscoe Pound, "Law in Books, Law in Action," 44 Am. L. Rev. (1910).

2. Roscoe Pound, "Mechanical Jurisprudence," 8 Colum. L. Rev. 605 (1908.

3. Louis D. Brandeis, "The Living Law" (1916).

4. Benjamin N. Cardozo, The Nature of the Judicial Process (1921), 28, 30-31.