Publisher
- Routledge5
- Gill Books4
- Mercier Press4
- Gill & Macmillan3
- New Island Books3
- The Collins Press3
- The History Press Ireland3
- Bloomsbury Academic2
- Ebury Digital2
- Edinburgh University Press2
- Faber & Faber2
- Sandycove2
- Alpha Books1
- Amberley1
- Andrews UK Ltd1
- Atlantic Books1
- BBC Digital1
- Berg1
- Cambridge Scholars Press1
- Cambridge Scholars Publishing1