UW SWAP Online Auction - Polaroid Propalette 8000 Attachment with a Mamiya RB67 120 Film Back #51615A By Unknown https://swapauction.wisc.edu/Listing/Details/5698627/Polaroid-Propalette-8000-Attachment-with-a-Mamiya-RB67-120-Film-Back-51615A | Facebook
Everything You Wanted To Know About Film Recorders by Andy Cross. - View Camera Australia