The NY Times' Lens blog has a transcript of a 1971 interview with Henri Cartier-Bresson, which is very interesting:
Part one:
http://lens.blogs.nytimes.com/2013/06/20/henri-cartier-bresson-living-and-looking/
Part two:
http://lens.blogs.nytimes.com/2013/06/21/cartier-bresson-there-are-no-maybes/