D. J. Ritchie: Sound Mixer (Sound)1989-04-05

D. J. Ritchie: Sound Mixer (Sound)1991-08-22

D. J. Ritchie: Sound Mixer (Sound)1996-03-05

D. J. Ritchie: Sound Mixer (Sound)1992-05-08

D. J. Ritchie: Sound Mixer (Sound)1990-06-04

D. J. Ritchie: Sound Mixer (Sound)1992-10-14

D. J. Ritchie: Production Sound Mixer (Sound)1991-01-23

D. J. Ritchie: Sound Mixer (Sound)1995-10-28

D. J. Ritchie: Production Sound Mixer (Sound)2004-02-14

D. J. Ritchie: Sound (Sound)2001-11-20

D. J. Ritchie: Production Sound Mixer (Sound)2001-03-15