Pierce Old Time Threshing Bee Facebook page
Minneapolis Moline Siouxland Collectors
Massey Harris Tractor Collectors
Ferguson Enthusiasts of North America
Two Cylinder Club
International Harvester Collectors Chapter 12 Nebraska
Case
J.I. Case Heritage Foundation https://caseheritage.org/
J. I. Case Collectors Association http://www.jicasecollector.com/
The Hart-Parr Oliver Collectors Association
Central States Hart Parr Oliver Collectors Association
International Cockshutt Club Inc. http://www.cockshutt.com/
Ford/Fordson Collectors Association https://fordtractorcollectors.com/
Ferguson Enthusiasts of North America
Rae Valley Heritage Association, Inc. - Petersburg, NE
Old Trusty Antique & Collectors Show - Clay Center, NE
Mid-States Antique Tractor & Engine Show - Ashland, NE
PVMA (Platte Valley Antique Machinery Association) - Ayra NE
The Camp Creek Threshers - Waverly, NE
Elkhorn Valley Antique Power Association - Elkhorn, NE
Black Hills Steam & Gas Engine Show - Western Dakota Antique Club
Tractor Parts
If any links do not work let me know at johnschoenauer@q.com