 |
 |  | Lee, Shep, interviewed by Chris Beam, September 17, 1991 |
| | Muskie, Edmund S., interviewed by Chris Beam, August 16, 1990 |
| | Muskie, Edmund S., interviewed by Chris Beam, September 3, 1991 |
| | Muskie, Edmund S., Shep Lee, Don Nicoll and Frank Coffin, interviewed by Chris Beam, August 6, 1991 |
| | Nicoll, Don, and Frank Coffin, interviewed by Erin Griffiths and Chris Beam, November 20, 1996 |
| | Nicoll, Don, interviewed by Chris Beam, November 13, 1991 |
|
