State Law Research Guide

For mutli-state research, you should start with the Subject Compilations of State Laws: An Annotated Bibliography, by Cheryl Rae Nyberg.     A tutorial of that database is available here.  You may wish to consult a database such as Westlaw or LexisNexis, which will let you search across multiple jurisdictions.  In addition, Lexis and Westlaw provide 50 State Surveys, like the National Survey of State Laws.  Other works we recommend are:

State Research Guide