Publisher
- Routledge10
- Palgrave Macmillan6
- Cambridge Scholars Publishing4
- Cornerstone Digital2
- Penguin Books2
- Alpha Books1
- Alpha, Penguin Group (USA) Inc1
- Black Swan1
- Bloomsbury1
- Cambridge Scholars1
- Continuum1
- Economist1
- HarperCollins Publishers1
- HarperCollins e-books1
- How To Books1
- Longman1
- Macmillan1
- Particular Books1
- Penguin Books Viking Penguin1
- Penguin Classics1