Diesel & Electric Locomotives
FRAILEY, Fred W.
Twilight of the Great Trains
1960s passenger operations across eleven railroads, supported with photographs and service tables throughout.
FRAILEY, Fred W.
Southern Pacific's Blue Streak Merchandise - Six Decades of the Great American Freight Train
HAYDEN, Bob
Model Railroader Cyclopedia - Diesel Locomotives
Model Railroader Cyclopedia Volume 2
Second volume of large landscape format reference work on North American locomotives, with many drawings and photographs. The first volume covered steam locomotives (search using 'Model Railroader Cyclopedia' as title).