File:Vintage Polaroid SX-70 Land Camera Alpha 1 Model 2, Same Features As The SX-70 Model 1 Except Finished In Black Plastic And Brown Porvair, Made In USA, Instruction Booklet Dated 3 77 (35836751016).jpg - Wikimedia Commons
The Option-al Landlist — SX-70 Cameras - Folding Models
Any experience with non-working Polaroid SX-70?: Film Photography Talk Forum: Digital Photography Review
Polaroid SX-70 Model 3 - Features of the Polaroid camera
Polaroid SX-70 Model 2 - Features and Films
I already love this camera ! (SX-70 model 2) : r/Polaroid