- 1Peter Allen
On the old lines : locomotives round the world
London: Cleaver-Hume Press 1958; 190 S. : Ill.
Eisenbahn - 2Peter Allen
Steam on the Sierra : The narrow gauge in Span and Portugal
London: Cleaver-Hume Press 1960; 203 S. : Ill., Kt.
Eisenbahn; Dampflokomotive; Schmalspurbahn - 3L. G. Marshall
Steam on the Renfe : The Steam Locomotive Stock of the Spanish National Railways
London: Cleaver-Hume Press 1965; 195 S. : Ill., Kt.
Eisenbahn; Dampflokomotive - 4Charles S. Small
Far Wheels : A Railroad Safari
London: Cleaver-Hume Press 1959; 153 S. : Ill., Kt.
Eisenbahn; Kolonialismus