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

• Lever for W cable
• S-III
• SR-I
• -

I believe that better labels might be:

• Lever for W cable
• Sanko S3
• Sanko S1
• Unknown Sanko model

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• Publisher: New Cycling
• Document: New Cycling May 1981 - '81 Derailleur Collection
• Date: May 1981
• Derailleur brands: Sanko
• Derailleurs: Sanko S3, Sanko S1, some other Sanko