BERTON, Pierre, The National Dream: The Great Railway, 1871-1881. McClelland and Stewart, 1970. 439 p. $10 ; / BERTON, Pierre, The Last Spike: The Great Railway, 1881-1885. McClelland and Stewart, 1971. 478 p. $10. - Young, Brian (Revue d'histoire de l'Amérique française)