Publisher
- Routledge47
- Springer32
- Pearson27
- Hodder Education23
- Illuminate Publishing14
- Springer International Publishing14
- Psychology Press12
- Palgrave Macmillan11
- SAGE8
- Philip Allan Updates4
- Prentice Hall4
- Sage Publications4
- Springer Nature4
- Bloomsbury Academic3
- Cambridge Scholars Publishing3
- Icon Books3
- Springer Berlin Heidelberg3
- Springer Fachmedien Wiesbaden3
- Atlantic Books2
- Bohn Stafleu van Loghum2