The J. Wylie Brownlee Collection details the Great Smoky Mountains National Park campaign during the mid-1920s. It includes letters to Brownlee, brochures and pamphlets promoting the creation of Great Smoky Mountains National Park and its conservation, writings describing the beauty of the Smoky Mountains, empty letterheads, a list of instructions for the organization presidents of the Smoky Mountains Campaign, and a letter from the campaign chairman of the Chamber of Commerce in Asheville, North Carolina with an attached article on the Smoky Mountains and Brownlee's involvement in this movement through the Great Smoky Mountains Conservation Association.