Wikipedia:Law sources as reliable sources

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Law sources can be reliable sources. Some are and some may not be. This essay is based on U.S. law, both Federal and non-Federal. This applies whether the subject is the U.S. Constitution or a lower-level agency branch office manual that nonetheless has the force of law, or something in between.

Law itself or effect of law[edit]

Some sources attempt mainly to state the law itself. Some other sources attempt mainly to state the effect of the law, such as a source about social effects from the implementation of a law, a source about a policy recommendation that should be embodied in a law, a source about legislative process, or a source on Constitutional history. This essay is about sources that attempt mainly to state the law itself, and not about sources that attempt mainly to state the effect of the law.

Lay vs. professional readerships[edit]

Law sources are written for either of two audiences, with little overlap:

  • Lay audiences who understand not much law. These include business managers and owners, journalists, junior high school students, and family members. What they share is that they have not had the kind of legal training that law schools provide. They may know their most important legal rights and obligations, but they probably don't understand how lawyers communicate with each other and with judges.
  • Professional audiences, usually lawyers, judges, and law students.

The differences are consequential for content:

  • Lay law sources don't usually distinguish among states and other non-Federal jurisdictions for legal differences, detail most of the finer points of law, or explain procedures that lawyers usually are in charge of handling, such as court adjudication. But they are easier for lay people to read. Some are by lawyers and some are by lay writers. Government agencies usually author like lay writers. Some lay writers can be pretty bad, so it's important to judge each source.
  • Professional law sources don't usually explain concepts or definitions that lawyers would know anyway or detail interactions with other subjects of law; and they tend to be heavily footnoted, which leads many lay people to refuse to read them at all. But they are more precise about the law they do cover. Almost all are authored by lawyers and law professors.

Old vs. new[edit]

After a year (more or less), secondary sources tend to become less reliable or unreliable except as history. The one-year point in time is arbitrary, since any subject of law can change at any time in a vital way and some subjects change rapidly in crucial ways, while others may be relatively stable for centuries, but the one-year time is conventionally accepted for many subjects. Some sources that are one-time publications have annual and even quarterly supplements, which should always be checked; these are often found in the back as pocket parts (pamphlets that slip into pockets in books' back covers).

Primary sources are subject to interpretation and interpretations can change anytime. For example, when a court interprets the Constitution, it may not be creating new law even if most people think it is, but discovering the law already there that even most law professors hadn't known before the ruling.

Types of sources[edit]

Original texts[edit]

Organic laws,[1] constitutions,[2] treaties and other binding international agreements,[3] statutes as enacted, statutes as codified,[4] agency regulations, some agency manuals and similar issuances, court decisions and the majority and some other opinions issued with them,[5] decisions by agency adjudicative bodies, Executive Orders,[6] Presidential proclamations, and certain government orders (such as some military orders, including some verbal ones) are examples of primary sources. Some codified statutes might be considered as secondary if the codification was by someone other than the enacting body or its delegated representative responsible for codifying, but it usually would be more prudent to consider even those as primary sources, because, while codification by the enacting body produces positive law, codification by anyone else may still produce prima facie evidence of the statutes, which makes the source virtually primary.[7] Annotations in codifications published by nongovernmental companies, when the annotations themselves are by authors who are not in the government, are generally secondary (these are discussed below and generally are descriptions of court rulings). Thus, the same books, even the same pages, often include both primary and secondary sources.

Other primary sources of law include amendments that were proposed but rejected (including Constitutional amendments and legislative bills), reports of legislative committees for legislation subsequently enacted, legislative floor debates leading to passage, judicial concurrences and dissents, common law, contracts, and documents issued by one person each, such as wills and, sometimes, letters. Some common law, contracts, and one-person-issued documents are unverifiable and unverfiable sources may not be cited in Wikipedia.

Indian tribes operate within two bodies of law. One is the law of the U.S. that applies to tribes, some of which have limited sovereignty flowing from a treaty between past colonists or the U.S. government, on the one hand, and, on the other, a tribe. The other is each tribe's own law, much of it grounded in pre-U.S. tribal law, some of which is based on oral stories, which may be unverifiable.

Treatises and law journals[edit]

Journal articles and treatises generally are secondary sources and many are excellent. Some are cited approvingly by courts in their majority opinions. None are written mainly for lay audiences; all are written for lawyers and allied professionals.

Casebooks[edit]

Legal casebooks are less comprehensive than treatises and journal articles in stating the law. According to Bruce W. Frier and Thomas A.J. McGinn, coauthors of one casebook, "a casebook relies on direct use of primary sources in order to convey a clear understanding of what legal sources are like and how lawyers work."[8] They can be very good in describing the law on a specific point, especially a point for which a case is reprinted, and in indicating the very general nature of the law on the broader subject encompassed by the casebook. But they are not comprehensive guides to the law on any subject that is large enough to depend on multiple primary sources, and generally are not meant to be.

Annotated statutes[edit]

Statutes in codified form may include annotations about court rulings. State statutes are often published only this way and Federal statutes are available both ways.[9] The annotations themselves are secondary sources even while the statutes in the same books are virtually primary. The quality of the annotations is often not as high or thorough as are descriptions of the same cases in treatises and journal articles. The annotations are also more stable, not changing after each one is first published, while treatises and casebooks may change with each edition.

Loose-leaf services[edit]

Loose-leaf reporters generally combine treatise-like content, original texts, and finding aids, with content often available nowhere else. Treatise-like content should be evaluated in comparison with treatises generally while original texts should be evaluated in comparison with other original texts.

Dictionaries, encyclopedias, restatements, and finding aids[edit]

Dictionaries specifically for lawyers are more reliable than dictionaries about law written for lay audiences. Legal encyclopedias, of which only a few exist, tend to be less high in quality than treatises or journal articles; for example, they may limit their content to what courts have said, omitting much analysis of statutes and other codified sources. Restatements may take the form of a treatise or an encyclopedia on one legal subject but may be aspirational, emphasizing what should be the law rather than what is. Finding aids (such as popular name tables), if they're to be used (in rare cases) as direct sources for Wikipedia, are to be evaluated for reliability before use (they may be freely used to aid in your research without being sources in themselves).

Briefs and memoranda[edit]

When written by a party to litigation or by a so-called friend of the court (usually an amicus curiae or amicus) or as advice from a lawyer to a client ot to another lawyer, a brief or a memorandum is probably a primary source and should be considered as advocacy for one adversary for which balance from an opposing party is needed and even the balance is often insufficient. While they may quote reliable sources, they are not reliable regarding those other sources, because the quoting is itself a form of one-sided advocacy.

News media and broadcasts[edit]

News media outside of law, especially newspapers, have been described as providing the first draft of history. That likely applies to news media that specialize in law, too. Reliability varies between general media and legal media, the latter probably being more reliable on average. When time has passed and more stable sources have been published, generally the latter should be used instead of older news media.

Broadcasts are generally for lay audiences and tend to be superficial, even when conducted by practicing attorneys. Perhaps the only exception is the U.S. Supreme Court's unofficial oral argument recordings, which are prepared for major cases in which oral argument was conducted by the parties with the justices present and asking questions, and those recordings are generally primary sources.

Websites and online subscriptions[edit]

The same analysis applied to print media should be applied to electronic media, whether to be paid for or free.

See also[edit]

References[edit]

  1. ^ The organic law of any institution is the law that specifies that the institution thereby exists. For the U.S., that's the U.S. Constitution. For a corporation, it may be the articles of incorporation.
  2. ^ For the U.S., the U.S. Constitution is, by its own terms, the supreme law. Various states have their own constitutions, inferior to the Federal one. A city may have a charter, serving the comparable legal function. Another nation may use another term, such as basic law.
  3. ^ International law also includes norms. A norm may apply to a nation even if the nation did not agree to it. There may be no original text for a norm.
  4. ^ Codification is not about secrecy. It is about organizing topically, to make relevant statutes easier to find. For example, Congress may enact a health statute on Monday, a tourism statute on Tuesday, and another health statute on Wednesday, but the codified statutes will show the health statutes together and the tourism statute separately. Usually, only statutes of a general and permanent nature are codified, so not all statutes are topically organized.
  5. ^ Trial courts are typically run by one judge per case and that judge may write the opinion for the court. Appellate courts are often run by several judges per case, and a majority may issue an opinion that accompanies the decision of that court.
  6. ^ These are issued by U.S. Presidents.
  7. ^ An example is the U.S. Code.
  8. ^ Frier, Bruce W., & Thomas A.J. McGinn, A Casebook on Roman Family Law (Oxford: Oxford University Press, [pbk.] 2004 (ISBN 0-19-516186-6)), p. [v] (Preface) (author Frier prof. classics & Roman law, Univ. of Michigan, & coauthor McGinn assoc. prof. classical studies, Vanderbilt Univ.).
  9. ^ The U.S. Code (U.S.C.) is without judicial annotations while U.S. Code Annotated (U.S.C.A.) and U.S. Code Service (USCS) include judicial annotations, with U.S.C.A. usually having more of them than USCS has.

External links[edit]

Links above to Wikipedia articles may lead to external links, such as for publishers and websites.