Agricultural Machinery - Contains descriptions and drawings of ground breaking, seed depositing, gathering, and miscellaneous farm implements.
Chickentown Gas and Steam Association - Annual steam and gas engine show in Pennsylvania. Demonstrations and antique displays. See operating engines, sawmill, grist mill.
The Deere Farm - Pictures of various restored antique tractors, engines, implements, and general items.
The J.I.Case Heritage Foundation - Features photographs and show dates of steam traction engines, threshers and early gas tractors.
The Old Machinery Magazine - An Australian bi-monthly magazine covering stationary engines, tractors and farm machinery, including rallies and auctions.
Pioneer Engineers Club of Indiana - A group of people who enjoy bringing their antique farm equipment to an annual show to foster appreciation for bygone days on the farm.