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

• Adamas AX
• Deore
• some front derailleur that we don't care about
• Falcon

• Publisher: New Cycling
• Document: New Cycling May 1981 - '81 Derailleur Collection
• Date: May 1981
• Derailleur brands: Shimano
• Derailleurs: Shimano Deore (DE10), Shimano Adamas AX (AD10), Shimano Falcon (AD2)