of the Law is one of the most respected and well-used sources of secondary authority, covering nearly every area of common law. While considered secondary authority (compare to primary authority), the authoritativeness of the Restatements of the Law is evidenced by their acceptance by courts throughout the United States. The Restatements have been cited in over 150,000 reported court decisions. In December 1923, Benjamin N. Cardozo explained the prospective importance of the Restatements in a lecture at Yale Law School: Andrew Burrows refers to the Restatements of the Law as informing the work of the advisory group that he convened to produce A Restatement of the English Law of Unjust Enrichment in the introduction to that work. Criticism Some of the most renowned legal scholars in the United States, including Judge Richard Posner and law professor Lawrence M. Friedman, have heavily criticized the Restatements, characterizing them as badly flawed. In a 2007 article, professor Kristin David Adams surveyed and summarized the various critiques of the Restatements, which included the following: its drafters are overwhelmingly elite and hence elitist; the Restatements are too conservative and not as progressive as intended; the Restatements essentially reify the law and legal profession rather than trying to incorporate "real world" empirical insights from other disciplines; they have insulated the law from more aggressive reform; they are based on the illusion that the common law is more rational than it actually is or can be; they lag behind the "real world" concerns of practicing lawyers; and the Restatements are too progressive. Adams then defended the Restatement project by arguing that all these critiques were actually critiques of the common law itself. Editions First In the period between 1923 and 1944, the American Law Institute published Restatements of Agency, Conflict of Laws, Contracts, Judgments, Property, Restitution, Security, Torts, and Trusts. This series was later expanded in 2015 and 2019 with publication of the Restatements of Employment Law and Liability Insurance respectively. Projects are currently underway to further expand the series by drafting Restatements on the Law of American Indians, Charitable and Nonprofit Organizations, Children and the Law, Consumer Contracts, Copyright, Corporate Governance, and U.S. Law of International Commercial and Investor-State Arbitration. Second In 1952, the Institute started the Restatement, Second — updates of the original Restatements with new analyses and concepts with and expanded authorities. (A Restatement on Foreign Relations Law of the United States was also