Massachusetts has a legal library system with a branch right in Fitchburg. You can get a free library card and use resources in the library or online from home. Their librarians are also experts at legal searching, so don't hesitate to ask for help if you need it.
What is the difference between scholarly/academic/peer-reviewed journals and magazines or trade journals? Look for the following to identify an academic or peer reviewed journal article (or take a look at this handy site):
The U.S. government produces a wide variety of useful information published by federal departments and agencies: