General
KALMBACH, A. C. (ed.)
The Model Railroader Cyclopedia 1938-39 - Railroad Equipment Prototype Plans
KELLY, John
Pennsylvania Railroad Locomotives Photo Archive: Steam, Diesel & Electric
KERN, Robert
Historic Locomotive - A Portfolio of Color-Etch Prints
Folder of four etched colour prints featuring locomotives:
C F Huntington 1863;
The Missouri 1861;
Union Pacific No. 119 1868;
William Crooks 1861.
KRATVILLE, William & RANKS, Harold E.
Motive Power of the Union Pacific
Classic railroad study first produced in 1958 with photographs supporting the text throughout.
KRATVILLE, William W.& BUSH, John E.
The Union Pacific Type - The story of Union Pacific's 3-cylinder power
Volumes One & Two
Very fine study of the 4-12-2 Union Pacific locomotives, illustrated throughout with photographs and diagrams in two substantial volumes.
LEHMANN, Raimar
Special Steam Locomotives
Privately published review of worldwide locomotives built to a special or unusual design, or for a special purpose, providing histories, data, technical information and descriptions. Illustrated throughout.