Business Source Complete is a scholarly journal article database, providing bibliographic and full text access to business, finance, and management journal articles, as well as company & industry information.
Emerald Insight is a specialist database developed for business schools, providing full text access to the Emerald/MCB University Press' collection of peer-reviewed management journals, as well abstracts from the Emerald Management Reviews database.
Provides access to statistics and studies gathered by market researchers, trade organizations, scientific publications, and government sources on over 600 industries.
Dictionaries, encyclopedias and handbooks
These are some general reference works to get started with: