Mærke
- Literary Licensing, LLC 4
- Springer 3
- Syrawood Publishing House 3
- Springer-Verlag Berlin and Heidelberg GmbH & Co. KG 3
- John Wiley and Sons Ltd 2
- Callisto Publishing 2
- Springer, India, Private Ltd 2
- States Academic Press 2
- Elsevier Science Publishing Co Inc 1
- Plantetorvet 1
- Humana Press Inc. 1
- Springer US 1