You've probably seen the button in some article databases that allows you to locate the full text of an article online. Zotero allows you to use the same feature.
To set up Zotero to access the Knight-Capron Library's catalog, click the gear button on the Zotero toolbar, choose Preferences and select the Advanced tab. At the bottom of the preferences window, paste this url into the "Resolver" box:
(Or if you're on campus, click the "Search for resolvers" button to enter this URL automatically.)
Then click OK. Once you've set this up, you can click the Locate button on any citation you're viewing to search for the item online.