| Robertson, Mark; ASC Soundings 10(5)1990 | ASC Soundings 10(5)1990 | 1990-00-00 | | |
| Robertson, Mark; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | SAM LAUD | Watchman |
| Robertson, Mark; ASC Soundings 12(1) 1992 | ASC Soundings 12(1) 1992 | 1992-00-00 | BUFFALO | Watchman |
| Robertson, Mark; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | CHARLES E. WILSON | Watchman |
| Robertson, Mark; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | SAM LAUD | Watchman |
| Robertson, Mark; ASC Soundings March 1986 | ASC Soundings March 1986 | 1986-00-00 | | Watchman |
| Robertson, Mark; pc J. Petill | pc J. Petill | | JAMES R. BARKER | Watchman |
| Robertson, Mark; pc Tom Geiger (1995 ASC Soundings); 1995 | pc Tom Geiger (1995 ASC Soundings) | 1995-00-00 | BUFFALO | Watchman |
| Robertson, Mark; Soundings July 1993 | Soundings July 1993 | 1993-00-00 | BUFFALO | Watchman |
| Robertson, Mark; Soundings June-July 1994 | Soundings June-July 1994 | 1994-00-00 | BUFFALO | Wheelsman |
| Robertson, Mark; Soundings Mar-Apr 1997 | Soundings Mar-Apr 1997 | 1997-00-00 | BUFFALO | Wheelsman |
| Robertson, Mark; Soundings May 1988 | Soundings May 1988 | 1988-00-00 | CHARLES E. WILSON | Watchman |