This is a Dissertation Paper submitted for Graduate School of Arts & Science Harvard Institute in December 1959, by Marston Headley.
Parovozy Elements of Locomotive Development in Russia and the USSR Keith Chester
PHOTO STILL FRESH FROM ITS RECENT HEAVY OVERHAUL THE 2FT GAUGE VALE OF RHEIDOL
PHOTO A WAGON LINE-UP AT ABERYSTWYTH RECENT DEVELOPMENTS AT THE SITE HAVE NOW M
The MTR Corporation - The Development Of the MTR Tseung Kwan O Extension Book
PHOTO THE PEPPERCORN K1 2-6-0S WERE A DEVELOPMENT OF THE THOMPSON K1/1 CLASS AN
The Development Of The Locomotive History 1803-1896 Clement E Stretton HB 1989