Publisher
- Vintage Digital15
- Routledge9
- The University of Chicago Press7
- Hodder Education5
- Royal Society of Chemistry5
- Vintage5
- Transworld Digital4
- Apple Academic Press Inc3
- University of Chicago Press3
- Weidenfeld & Nicolson3
- Atlantic Books2
- BBC2
- Bantam2
- CRC Press2
- Ebury Digital2
- HarperCollins Publishers2
- Icon Books2
- Alpha1
- Alpha Books1
- Apple Academic Press1