This series is comprised of correspondence to and from Harry and Grace James. The correspondence is a mixture of personal and professional matters with topics including the Trailfinders; important regional, state, and national political topics related to James' work; wilderness conservancy, the Palm Springs Tramway, and many other subjects. Correspondents include Charles M. Bogert, Don Perceval, Harry Lawton, John Tunney, Edmund Brown, the Sierra Club, and the US Bureau of Land Management. Some correspondence can be found with associated material in other series.