| “AeroCab,” Kenworth Truck Company, Kirkland, Washington, 1993, 6•page brochure. |
| “Class Pays, Truck Models,” Peterbilt Motors Company, Denton, Texas, Mar. 2005, 24•page brochure. |
| “Kenworth Truck Models,” Kenworth Truck Company, Kirkland, Washington, 2010, 16•page brochure. |
| “Model 375 Standard Specifications,” Peterbilt Motors Company, Newark, California, Sep. 1986, 6•page brochure. |
| “Model 387,” Peterbilt Motors Company, Denton, Texas, Oct. 2002, 2•page brochure. |
| “Rest with Class,” Peterbilt Motors Company, Newark, California, Apr. 1978, 4•page brochure. |
| “T170 Class 5,” Kenworth Truck Company, Kirkland, Washington, 2008, 4•page brochure. |
| “T2000,” Kenworth Truck Company, Kirkland, Washington, 1999, 20•page brochure. |
| “T2000,” Kenworth Truck Company, Kirkland, Washington, 2002, 20•page brochure. |
| “T270 Class 6 and T370 Class 7,” Kenworth Truck Company, Kirkland, Washington, 2008, 6•page brochure. |
| “T270 Class 6 and T370 Class 7,” Kenworth Truck Company, Kirkland, Washington, 2009, 6•page brochure. |
| “T270 Class 6 and T370 Class 7 Hybrid,” Kenworth Truck Company, Kirkland, Washington, 2009, 6•page brochure. |
| “T300,” Kenworth Truck Company, Kirkland, Washington, 2005, 16•page brochure. |
| “T440,” Kenworth Truck Company, Kirkland, Washington, 2010, 2•page brochure. |
| “T440,” Kenworth Truck Company, Kirkland, Washington, 2010, 6•page brochure. |
| “T470,” Kenworth Truck Company, Kirkland, Washington, 2010, 6•page brochure. |
| “T470H,” Kenworth Truck Company, Kirkland, Washington, 2009, 2•page brochure. |
| “T600,” Kenworth Truck Company, Kirkland, Washington, 2002, 28•page brochure. |
| “T600,” Kenworth Truck Company, Kirkland, Washington, 2005, 24•page brochure. |
| “T660,” Kenworth Truck Company, Kirkland, Washington, 2007, 36•page brochure. |
| “T660,” Kenworth Truck Company, Kirkland, Washington, 2009, 36•page brochure. |
| “T700,” Kenworth Truck Company, Kirkland, Washington, 2010, 6•page brochure. |
| “T800,” Kenworth Truck Company, Kirkland, Washington, 2005, 28•page brochure. |
| “T800,” Kenworth Truck Company, Kirkland, Washington, 2009, 28•page brochure. |
| “The Working Class,” Peterbilt Motors Company, Newark, California, Sep. 1976, 6•page brochure. |
| “C500B,” Kenworth Truck Company, Kirkland, Washington, as early as 1990, 4•page brochure. |