Online dictionaries, encyclopedias and other reference sources

Use these sources to find authoritative definitions and summaries – a useful starting point for seminar presentations and projects. They are a reliable alternative to Wikipedia!

General works and collections

These resources allow you to search for definitions and summaries in all subjects.

See also our list of Quick reference sources.

Some general reference and subject-related works or collections

This is a selection of reference works and collections we have purchased. To find other individual titles search the Enterprise catalogue.

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