16th International Workshop on Photon-Photon Collisions odbył się w ramach konferencji pod nazwą: PHOTON 2005.

The Photon: its first hundred years and the future. Part 1, The Centenary of the Photon : PHOTON 2005 International Conference on the Structure and Interactions of the Photon including the 16th International Workshop on Photon-Photon Collisions, 30 August-4 September 2005, Warsaw, Poland / ed. Z. Ajduk, M. Krawczyk, A. K. Wróblewski ; org. by Faculty of Physics Warsaw University [et al.]