Harmon, K. B. (1998). The History of Allison Automatic Transmissions For On-Highway Trucks and Buses. International Truck & Bus Meeting & Exposition. doi:10.4271/982791. ISSN0148-7191. JSTOR44668196.
Flynn, H. O. (1957). "Powermatic: a new automatic for Chevrolet transmission heavy-duty trucks". Transactions. SAE Technical Paper Series. 1. Society of Automotive Engineers. doi:10.4271/570012. ISSN0148-7191. JSTOR44564356.
Schuette, A. R. (1971). The Allison AT-540 Automatic Transmission in Utility Truck Applications. National Truck, Powerplant, Fuels and Lubricants Meeting. doi:10.4271/710658. ISSN0148-7191.
Boyer, Robert C. (1986). "Digital Electronic Controls for Detroit Diesel Allison Heavy Hauling Transmissions". Transactions. SAE Technical Paper Series. 95. Society of Automotive Engineers: 709–719. doi:10.4271/861170. JSTOR44469083.
James, Steven F. (November 1993). The Allison HD Transmission. International Truck & Bus Meeting & Exposition. doi:10.4271/932998. ISSN0148-7191.
Fisher, M. E. (February 1971). The Allison HT-740T Automatic Transmission for Gas Turbine Powered Vehicles. 1971 Automotive Engineering Congress and Exposition. doi:10.4271/710201. ISSN0148-7191.
Schmidt, J. W.; Harmon, K. B. (February 1973). An Automatic Transmission for Off-Highway Vehicles. 24th Annual Earthmoving Industry Conference. doi:10.4271/730442. ISSN0148-7191.
Buttermore, John R.; McQuinn, Ted M. (1991). Allison World Transmission Developments. International Truck & Bus Meeting & Exposition. doi:10.4271/912696. ISSN0148-7191.
Harmon, K. B. (1998). The History of Allison Automatic Transmissions For On-Highway Trucks and Buses. International Truck & Bus Meeting & Exposition. doi:10.4271/982791. ISSN0148-7191. JSTOR44668196.
Flynn, H. O. (1957). "Powermatic: a new automatic for Chevrolet transmission heavy-duty trucks". Transactions. SAE Technical Paper Series. 1. Society of Automotive Engineers. doi:10.4271/570012. ISSN0148-7191. JSTOR44564356.
Boyer, Robert C. (1986). "Digital Electronic Controls for Detroit Diesel Allison Heavy Hauling Transmissions". Transactions. SAE Technical Paper Series. 95. Society of Automotive Engineers: 709–719. doi:10.4271/861170. JSTOR44469083.
Harmon, K. B. (1998). The History of Allison Automatic Transmissions For On-Highway Trucks and Buses. International Truck & Bus Meeting & Exposition. doi:10.4271/982791. ISSN0148-7191. JSTOR44668196.
Flynn, H. O. (1957). "Powermatic: a new automatic for Chevrolet transmission heavy-duty trucks". Transactions. SAE Technical Paper Series. 1. Society of Automotive Engineers. doi:10.4271/570012. ISSN0148-7191. JSTOR44564356.
Schuette, A. R. (1971). The Allison AT-540 Automatic Transmission in Utility Truck Applications. National Truck, Powerplant, Fuels and Lubricants Meeting. doi:10.4271/710658. ISSN0148-7191.
James, Steven F. (November 1993). The Allison HD Transmission. International Truck & Bus Meeting & Exposition. doi:10.4271/932998. ISSN0148-7191.
Fisher, M. E. (February 1971). The Allison HT-740T Automatic Transmission for Gas Turbine Powered Vehicles. 1971 Automotive Engineering Congress and Exposition. doi:10.4271/710201. ISSN0148-7191.
Schmidt, J. W.; Harmon, K. B. (February 1973). An Automatic Transmission for Off-Highway Vehicles. 24th Annual Earthmoving Industry Conference. doi:10.4271/730442. ISSN0148-7191.
Buttermore, John R.; McQuinn, Ted M. (1991). Allison World Transmission Developments. International Truck & Bus Meeting & Exposition. doi:10.4271/912696. ISSN0148-7191.