State Constitutions
State Criminal Codes (e.g. New Hampshire Revised Statutes Annotated, Title 62; Massachusetts General Laws, Chapts. 263-274)
On January 20, 2016, the New Hampshire Supreme Court adopted the New Hampshire Rules of Criminal Procedure (link)
Criminal Procedure - Pennsylvania You can really fill in any state or country here. The pattern is Criminal Procedure – Geographical Place Name (Hint: Find treatises on Lexis and Westlaw through the Law Library catalog. The SUBJECT search "Criminal Procedure - Pennsylvania" provides a link to the Lexis treatise Pennsylvania benchbook for criminal proceedings)
At the end of a jury trial, members of the jury are instructed by the judge on what law is applicable to the case at hand. Practitioners may request that certain instructions be provided to the jury, so it is important to understand how and where to find them. Additionally, jury instructions can be a tremendously helpful resource for legal research, as they state in a clear and concise manner what elements need to be proven, pertinent cases and statutes, burdens of proof, etc.
The New Hampshire Criminal Jury Instructions are still in draft form. But, you can find them here at the New Hampshire Bar Association webstie.
You can SUBJECT search them in the library catalog with Jury Instructions - Geographic Place Name. This will link you to Jury Instructions published on Lexis and Westlaw.
Law Libraries around the United States create research guides to help library users master topics of law. If you are researching in a state with which you are unfamiliar, try Googling, "Legal Research Guides State Name." For example, if you Google, "Legal Research Guides Maryland," you will find guides written by both the University of Maryland's Thurgood Marshall Law Library and Georgetown University's Law Library.