Not sure which user guide is best for you?
If you're looking for a quick overview, you'll find it in "Zotero 101," if you want a guide that includes quirks to be aware of in certain areas of study, pick a discipline.
If you need a more detailed and complete resource, choose the "Official" guide.
These screencasts provide an introduction to Zotero, courtesy of zotero.org.
Z39.50 : Access to the Mason Catalog
The Libraries' catalog supports Z39.50. So, those packages can "talk" natively to our library catalog, allowing you to search and pull information more easily. Details on Z39.50 settings for the Libraries' catalog
Z39.50 (the name was assigned by the ANSI/NISO standards groups) is a communications protocol, standardizing the way two computers communicate to transfer bibliographic information. You can delve more deeply into this topic by browsing the Z39.50 site maintained by the Library of Congress.