You can search for a specific journal/magazine/newspaper title using Browzine.
Databases automatically link you to the fulltext or offer the option to check to find a copy of your article, "Full Text Finder". Sometimes you'll see this option under Access Options:
Here are a few good places to start your research-
Decisions and case law from all state and federal courts, statutes, federal regulations, law review and legal journal articles. 1789-present.
Reports on a wide range of topics, with overviews, background and timeline of a topic, assessment of the current situation, tables and maps, pro/con statements from opposing positions. 1923 to present.