Publisher
- ABC-CLIO1
- Alpha Books1
- Alpha, a member of Penguin Random House, LLC1
- Amberley Publishing4
- Andrews UK1
- Andrews UK Limited1
- Andrews UK Ltd2
- Andrews UK Made available through hoopla1
- BBC Digital2
- CQ Press1
- Cambridge Scholars Publishing5
- Collins2
- Da Capo Press1
- Dialogue Books1
- Ebury Digital1
- Ecco1
- Edinburgh University Press1
- Fairleigh Dickinson University Press1
- Globe Pequot1
- Greenwood1