One of Delia's tapes is labelled Drips for Ecology for a programme in the series Late Night Line-Up produced by Steven Roberts for BBC2; its tape's catalogue entry is dated July 1971.
- Broadcast in Late Night Line-Up: Ecology on 20th October 1971.
- The BBC Sound Archive's tape TRW 7438 is missing.
- ↑ 1.0 1.1 The Tape Library List's entry for TRW 7438.
- ↑ Late Night Line-Up episode list for 1971 on wikipedia.