These are Links to Vendors for old tractor parts as well as publications and where to get information of interest and help.
www.owossotractorparts.com east of Owosso, MI, old tractor parts, they sponsor the Big Mac Bridge ride every year, a very rewarding experience
http://www.steinertractor.com/ on M-13 north of I-69 Lennon, MI, aftermarket old tractor parts for many brands
http://www.yesterdaystractors.com a National Website to place free ads for things to sell and wanted also sell tractor parts
www.aldermans.com a Case/IH Dealer in Lennon, Michigan that has a very large inventory of old tractor parts available and if not in stock can get them in a timely manner
www.tractorjoe.com/case-case-ih , St. Louis, MO, 63146, 1-888-860-9096, contact Randy, offer Club members $15 discount on parts if use code: Thumb Area Old Engine & Tractor Association15