The Le Tourneau Legend ( Revised Third ,R.G. LeTourneau Heavy Equipment Photo Gallery book,The LeTourneau Archive : A Pictorial Record of Heavy Equipment Built By R.G. LeTourneau Inc.,The Usborne Book of World History (Guided Discovery Program): Tyler, Jenny, Millard, Anne, Gee, Robyn: 9780860209591: Amazon.com: Books,The LeTourneau Archive : A Pictorial Record of Heavy Equipment Built By R.G. LeTourneau Inc.,