File contains 36 autograph letters signed, 1 autograph letter (unsigned). Includes correspondence with Bowdler Sharpe, Robert Ridgway.
File contains 52 autograph letters signed. Includes correspondence with Robert Ridgway.
File contains 1 typed letter signed, 4 autograph letters (unsigned), 30 autograph letters signed. Includes correspondence with Robert Ridgway.
File contains 42 autograph letters signed. Includes correspondence with Robert Ridgway.
File contains 1 typed letter (unsigned), 13 typed letters signed, 1 autograph note signed, 12 autograph letters signed. Includes correspondence with Robert Ridgway.
File contains 69 autograph letters signed. Includes correspondence with Robert Ridgway.
File contains 49 autograph letters signed. Includes correspondence with Robert Ridgway.