You can use Google Scholar to search for court opinions and articles in legal reviews.
The court opinions available through Google Scholar are:
To find legal review articles:
In order to use Google Scholar to search for case laws, select "Case Law" on the Scholar homepage. This gives you the option to search all Federal laws or all Illinois laws. You can also choose specific courts (state or federal) by clicking the "Select courts" link. On the search results page, you can also use the sidebar to switch between searches for articles and case laws.