Reference materials are the texts designed to provide definitions (e.g., dictionaries), suggest additional scholarly material (e.g., bibliographies), and give background information about people, events, concepts, and more (e.g., encyclopedia and handbooks).
This is a page with access points for BC's e-reference materials, with an emphasis on broad access points. For area specific (e.g., Irish) reference material, select the relevant sub-page or check the reference list under the relevant page of the History Research Guide.
Use the following resources to find reliable background information and confirm dates/names and more. Wikipedia is written by a broad public and has 1 in 10 facts wrong. Here, entries are written by experts in their respective fields.