The university library's rare room houses several seventeenth-century encyclopaediae that scholars study every year.

She consulted the encyclopaedia to find out more about the endangered species in her region.

Libraries often keep old encyclopaedias behind the reference desk for researchers.

At the museum, the guides were walking encyclopaedias, answering every question with ease.

At staff meetings, Maria is often referred to as a walking encyclopaedia because she can answer questions about almost every project.