Reference Books and Catalogues: Hornby Dublo Trains - Michael Foster, The Hornby 'O' Gauge System - C & J Graebe, Dinky Toys and Modelled Miniatures - M & S Richardson, all published by New Cavendish Books, Early Tinplate Model Railways - Udo Becher, Gamages Great Toy Bazaar (1902-1906 Catalogue), The Hornby Railways Company - Senior Magazine and a large quantity of Triang Hornby and Hornby Railways Catalogues (G)