Publisher
- Springer28
- Pearson23
- British Standards Institution14
- CRC Press13
- Humana Press9
- Pearson Education Limited8
- Hodder Education6
- Academic Press4
- Routledge4
- Collins3
- Elsevier3
- Cambridge Scholars Publishing2
- DK Children2
- For Dummies2
- HarperOne2
- Hodder Gibson2
- Humana Press Springer2
- Palgrave Macmillan2
- Taylor & Francis2
- Alpha Books1