Online Bibliographies
- ADS – Archaeology Data Service
- BBIH – Bibliography of British and Irish History
- BILL – Bibliography of Irish Linguistics and Literature
- BL – British Library
- CODECS - Collaborative Online Database and e-Resources for Celtic Studies
- IBPH – Irish Bibliography of Press History
- JISC Library Hub – JISC Library Hub Discovery
- Oireachtas BPI – Oireachtas Bibliography of Parliament in Ireland
- PADDI – Planning Architecture Design Database Ireland
- NLI Sources – National Library of Ireland Sources