Papers concerning Hobbs' efforts to support the reputation of Robert E. Peary and his harsh criticism of Frederick A. Cook including correspondence by Roy Chapman Andrews, Louis C. Bernacci, Isaiah Bowman, E. Lucas Bridges, R.N. Rudmose Brown, Richard E. Byrd, Frederick A. Cock, Anthony Fialia, Frederick A. Stokes Co., Peter Freuchen, Charles W. Furlong, L.M. Gould, Gilbert Grosvenor, Gordon J. Hayes, Lauge Koch, Hugh J. Lee, Hugh Wales Lee, The Macmillan Co., Donald B. Macmillan, Hugh Robert Mill, R.E. Priestley, R. Samoilovitch, Marie Peary Stafford, Vilhjalmur Stefansson, Hubert Wilkins, Wiiliam Morrow & Co., J.M. Wordie, and C.S. Wright.