I have a small list of dealers_private collecter's who buys,sells and trades but I'm always finding more everyday.I do most of my wheeling and dealing on EBAY.com auction site they sell 50-100 brochures aday some go cheap and some don't.Here's the list I know Tom and lloyd has literature on 4425,35 combines because its on there list of John Deere they Email me. P.S. 4425 combine is what we use on the farm. DEAlERS 1-Tom Fick-Minnesota. US.=He has millions of literature_brochures of everymake,prices are good and is good to deal with. Website=http:__members.ebay.com_aboutme_jd-tom Email=tjfick@prairie.lakes.com 2-lIoyd Wenger-Pennsylvania.US=He has million of brochures_literature of everymake,prices are little high,good to deal with. Website-http:__members.ebay.com_aboutme_0992 Email=Iwenger@ptd.net 3-Clarence Goodburn-Minnesota.US=has brochure_literature of everymake Phone-(507)642-8481 Fax-(507)642-3281 Private collecter 1-Johannes Calamnius-Sweden-little of everymake Email-tractordive@swipnet.se 2-John Nikodym-US -little of everymake but mostly John Deere.good prices and to deal with. Email-nikrcne@gpcom.net 3-Jamie IJ-He buy_sell_trade of everymake. Email-jllotz@accessus.net