Uniform Laws Annotated
The National Conference of Commissioners on Uniform State Laws publishes Uniform Laws Annotated, many of which have been adopted, with some modification, by many states. The Web address for the NCCUSL is http://www.uniformlaws.org/.
Annotated editions of the Uniform Laws are published in Uniform Laws Annotated (ULA). ULA tells you which states adopted each Uniform Law and how each state adjusted each individual section. You also get summaries of cases interpreting each section. The ULA is published by West and is available in most larger U.S. law libraries. An online version is searchable on Westlaw.
The Legal Information Institute posts a Uniform Business and Financial Laws Locator and a Uniform Matrimonial, Family and Health Laws Locator. These Locators link to online state statutes for the related Uniform Laws.
State legislation: The NCCUSL posts a database of recent legislation that affects Uniform Laws. You can also check the Registers, Session Laws and Bill Status web sites for individual states (see State Bills and State Statutes).
Prefatory Notes: Prefatory Notes are published with the the related Uniform Law in Uniform Laws Annotated, after the names of Committee members and before the text of the Law.
PEB Commentaries: Permanent Editorial Board Commentaries are published in Uniform Laws Annotated.
Meeting Handbooks and Transcripts: The Handbooks from each Annual Conference meeting and transcripts of the proceedings of each meeting are available in the NCCUSL add-on to the subscription-based HeinOnline.
Withdrawn Acts: Sometimes the Commissioners give up on an act and withdraw it. If you are unable to locate copies in the law library, you could ontact the Uniform Law Commission for a copy.
American Law Institute
The American Law Institute (ALI), best known for it preparation of the Restatements of the Law, also prepares model acts and laws. For instance, the ALI was cooperated with other organizations, including the ULC, to prepare the Model Penal Code. The ALI website lists its publications and also provides information on its current projects. One current project of the ALI is reviewing and updating the Model Penal Code sentencing provisions.