Nowadays you can find many interesting movies on the Internet, in particular Youtube. On this page you will find some links to Youtube with some action of the old days. Please be aware that these movies are not mine, neither did I put them on the Internet.
1950 - Mille Miglia - see 0030MT (#731) and 0032MT (#728)
1951 - Mille Miglia - Villoresi's victory in 0082A (#405)
1952 - Carrera Panamericana - 0150A (#17)