We thank all authors for the permission to gather and translate their particle physics teaching systems for this collection. The original versions have been obtained from the websites listed below. Any further copyright remains with the authors or copyright owners.

• Hands-On-Cern
  Erik Johansson et al., Stockholm
• A Keyhole To The Birth Of Time
  James Gillies, Richard Jacobsson, CERN
• Identifying Particles
  Terry Wyatt, Univ Manchester ( Java Version )
• BaBar Particle Physics Teaching Package
  Heather Lang, David Kirk, Univ Manchester (George Lafferty)
• Lancaster Particle Physics Package
  F. Foster et al., Lancaster Univ (Andre Sopczak)
• KworkQuark
  DESY (Dirk Rathje, Marc Hermann)
• Teilchentour I: Reise durch die Welt der Teilchen
  Dagmar Schmitz, Univ Bonn (Michael Kobel)
• Teilchentour II: Anwendungen in Kosmologie und Medizin
  Alexandra Petri, Univ Bonn (Michael Kobel)
• Grundlagen der Teilchenphysik
  German Hacker, Univ Erlangen
• Le Monde des Particules
  Gwendoline de Hemptinne, Guillaume Leibenguth, Damien Bertrand, Univ Louvain