| 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. |
| 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. |
| 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. |
| Waikato Vintage Tractor and Machinery Club: A New Zealand club for antique farm equipment. |