The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.
Library Services
Public, academic and special libraries or other organizations that provide online resources and/or search services for people who want to access OCLC's (Online Computer Library Center) FirstSearch collection of databases, the National Library of Medicine's MEDLINE, the U.S. Department of Education's ERIC and other databases that contain digitized versions of articles and information from print sources such as magazines, newspapers, journals and reference books as well as music and other content. Lexis/Nexis, Micromedia ProQuest, Ebsco and Gale/Cengage are among the major vendors.