Mærke
- Literary Licensing, LLC 9
- Springer-Verlag Berlin and Heidelberg GmbH & Co. KG 2
- HASSELL STREET PR 2
- Springer-Verlag New York Inc. 2
- Forgotten Books 2
- Columbia University Press 1
- LIGHTNING SOURCE INC 1
- Novare Science and Math 1
- West Academic Publishing 1
- University of Iowa Press 1
- University of California Press 1
- Creative Media Partners, LLC 1
- Fundacja im. Rafala Taubenschlaga 1