Palla, F.; Huber, M. C. E.; Matteucci, F.; Bregman, J. N.; Coustenis, A.; Feretti, L.; Gustafsson, B.; Ho, P. T. P.; Komatsu, E.; Morganti, R. et al.; Quirrenbach, A. (Hg.): The Astronomy and Astrophysics Review (Sonderheft). The Astronomy and Astrophysics Review 24 (2016)

Palla, F.; Bregman, J. N.; Coustenis, A.; Feretti, L.; Gustafsson, B.; Ho, P. T. P.; Huber, M. C. E.; Komatsu, E.; Morganti, R.; Quirrenbach, A. (Hg.): The Astronomy and Astrophysics Review (Sonderheft). The Astronomy and Astrophysics Review 23 (2015)

A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.20. Hans Ritter, Garching, Germany

A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.19. Hans Ritter, Garching, Germany

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.18, (2012)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.17, (2012)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.17, (2011)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.15, (2011)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.12, (2009)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.11, (2009)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.10, (2009)

European Latsis Prize 2008 - Professor Simon White "Astrophysics", (2008)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.8, (2008)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.7, (2007)

Downes, R. A.; Webbink, R. F.; Shara, M. M.; Ritter, H.; Kolb, U.; Duerbeck, H. W.: A catalog and atlas of cataclysmic variables: Living editon, (2006)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.6, (2006)

Ritter, H.; Kolb, U.: A catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat edition 7.4 and 7.5, (2005)

Ritter, H.; Kolb, U.: Catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects - RKcat Edition 7.3, (2004)

Ehlers, J.: Ein Universalgenie der Wissenschaft, zum hundertsten Todestag des Naturforschers Hermann von Helmholtz, Der Tagesspiegel, S. 27 - 27 (1994)