2008 work by William L. Putnam, Honorary President of the American Alpine Club. From the book jacket: "There are a dozen major passes, and several high cols, that have been used to cross the western Alps into, and out of Italy over the centuries. They have all attained a certain historic prominence, but for separate reasons, two of them are more deserving of attention and remembrance than the others. This text is devoted to that pair of passes: the Mont Cenis and the Great Saint Bernard."