| Reference Number | Title | Date | Series |
| RNT/PL/3/766 | Talkshow: Tim Baker on The Threepenny Opera | 12 February 2003 | Platforms Audio Recordings |
| RNT/PL/2/807 | Tim Baker, The Threepenny Opera | 12/02/2003 | Platforms Programmes |
| RNT/PR/2/4/211 | Talkshows at the National Theatre | c. [January] 2003 | Press Releases 2000-2009 |