Westlaw has a great feature that makes it easy for you to narrow the results of any search quickly and effectively.  It’s called Locate and is available through a link called Locate in Result.  Once you’ve run a search, this link appears near the top of your search results screen.  Click on it and you’ll see a dialogue box called Locate Search Terms.  Now you have the opportunity to add additional terms or phrases, text from other recent searches, date restrictions and document field restrictions.  Choose the options you want to add and click on the Locate button.  These additional criteria are applied to your original results list, narrowing it and helping you identify just the documents you want.  Not satisfied with this new results list?  Simply click on the link called Cancel Locate and you’ll be returned to your original results list.