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Secondary Sources: COA/POF

A guide designed for first year law students on the MU Law Library's resources for secondary sources / Last updated by Jacob Wood, JD '25

Causes of Action, 2d

Causes of Action, 2d provides articles and case studies on a number of types of legal actions. Each article includes information about the elements of the case, an overview of the law, potential defenses and alternative causes of action.

Useful Features

  • Articles have their own table of contents and index
  • Background information is provided for each issue
  • Practice checklists and sample cases
  • Detailed analysis of required elements
  • Litigation forms
  • Damage Award Surveys to help determine the value of a case

Things to be aware of: 

  • Causes of Action are not typically cited
  • Be sure to check the pocket parts for updates


Located in the Law Library Reference Alcove

Available in WestlawNext. Password Required. To access choose Secondary Sources then Texts and Treatises and select it from the list of available resources, or search for "Causes of Action" in the search box.

Proof of Facts, 3rd

Proof of Facts is written by well-known judges, attorneys and experts in technical, scientific and medical fields. It explains how to prove the facts essential to winning a case for a wide range of civil litigation and selected criminal defense topics. Also highlights which cases to avoid due to difficulties or failures in proof. Includes strategies and aids that cover every stage of trial preparation.


  • Articles have their own tables of contents and indexes and begin with a scope note
  • Background information and analysis on a number of legal topics
  • Checklists of elements required to prove your case
  • Sample documents in each article, including pleadings, motions, jury instructions, and discovery
  • Sample Proofs that provide detailed explanations for proving particular facts
  • Annotations that can help lead you to other research materials. 

Things to be aware of: 

  • Proof of Facts are not typically cited
  • Be sure to check the pocket parts for updates



Located on WestlawNext. Password required.