Contributions by: Aldo Leopold, Lewis Mumford, Henry Tuckerman, James Russell Lowell, John Burroughs, William Benjamin Carpenter, Alfred Austin, Richard Jefferies, Hamilton Wright Mabie, Selden Whitcomb, Mary Woolley, Charles G. D. Roberts, Mabel Osgood Wright, Fannie Eckstorm, Havelock Ellis, Dallas Lore Sharp, Norman Foerster, D. H. Lawrence, Henry Chester Tracy, Mary Hunter Austin, Mark Van Doren, Donald Culross Peattie, F. O. Matthiessen, D. S. Savage, Jospeh Wood Krutch, Perry Miller, Sherman Paul, Leo Marx