My rough translations of the photo captions, clockwise from top left are:

• -
• Sport
• Sport

I think that better labels might be:

• Super Champion Sport
• Triplex Sport
• Triplex Sport (front derailleur)

• Publisher: New Cycling
• Document: New Cycling May 1981 - '81 Derailleur Collection
• Date: May 1981
• Derailleur brands: Super Champion, Triplex
• Derailleurs: Super Champion Sport, Triplex Sport