• For Command Search, see the Command Search Guide and the Summary of Commands.
• For Easy Search, see the Easy Search Guide.
• For I²plus, see the I²plus Guide.
• For Questindex, see the Questindex Guide.

Complementary Services
Free online help is available for LexisNexis, the Free Medical databases and I².

Free documentation
The following free summary information is available:

• A Directory of Databases containing descriptions of all the databases, classified by subject.
• Command Search Guide.
• Easy Search Guide
• A Summary of Commands used in Command Search.
• Links to short descriptive notes on each database are provided when you view the list of databases by Subject Coverage, Name, Database Number or by Service Provider. These links are also available within the Easy Search and Command Search interfaces.

Priced documentation
If you chose to pay an annual GEM documentation subscription you may freely access and download copies of GEM documentation from our Web site. For more details of the GEM documentation subscription see your National Centre's Price List.

If do not subscribe you may purchase GEM documentation either as hard copy from your National Centre or by downloading it from our Web site. Your National Centre will invoice you.