This series includes general items on farm machinery and farming methods. Materials include a notebook with notes on tractor dealers, repair handbooks, balance sheets, technical and service manuals, parts catalogs, operating instructions, photographs and scrapbooks, magazines and newsletters, farm equipment directories, several issues of The Tractor Field Book and VHS tapes. There are also books on tractor and agricultural history, and different types of engines. Additional materials include Caterpillar publications.