Gas Engine Magazine - Gas Engine Magazine Recreation, Antiques, Farm and Ranch Equipment, Gas Engines - Gas Engine Magazine. Monthly publication for tractor and stationary gas engines. https://www.gasenginemagazine.com/
Old Iron - Antique Engines, Tractors, Log Cabins, Steam Engines, Sorghum Molasses Recreation, Antiques, Farm and Ranch Equipment, Gas Engines - Old Iron. Devoted to exchanging knowledge about Hercules built engines or any related topics. https://www.herculesengines.com/