General
DRURY, George H.
New York Central in the Hudson Valley - The Water Level Route in steam and diesel
The Golden Years of Railroading
DRURY, George H.
Guide to North American Steam Locomotives - History and development of steam power since 1900
Railroad Reference Series No. 8
DUKE, Donald
Southern Pacific Steam Locomotives
A Pictorial Anthology of Western Railroading
DUNN, Richard
Narrow Gauge to No Man's Land - U.S. Army 60cm Gauge Railways of the First World War in France
FARRELL, Jack W. (ed.)
Locomotive Quarterly - Winter 2005 / 2006
Volume XXIV - Number 2
FREY, Robert L. & SCHRENK, Lorenz P.
Northern Pacific Railway: Supersteam Era 1925 - 1945
