R.G. LeTourneau Heavy Equipment: The Mechanical Drive Era 1921-1953
Engels | softcover | 160 blz | 2008
Modern LeTourneau Earthmoving Equipment: Ultra-large Loaders, Dozers and Haulers since 1968
Engels | softcover | 112 blz | 2013
R.G. Letourneau Heavy Equipment - A Photographic History from 1921 to Today's Giant Marvels
Engels | softcover | 176 blz | 2014