| Ned Lud |
| Acid Rain |
| All The Machines Are Quiet |
| Standing In The Picket Line |
| The Cool Courage Of Bomb Squad Officers |
| Work Song |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| SHARP 021 | Robert Calvert | Freq (12", MiniAlbum) | Flicknife Records | SHARP 021 | UK | 1984 |
| SHARP 021 | Robert Calvert | Freq (12", MiniAlbum, TP) | Flicknife Records | SHARP 021 | UK | 1984 |
| ASLE 0036 | Robert Calvert | Freq (12", MiniAlbum) | Aspa Records | ASLE 0036 | Spain | 1988 |
| cdmgram 55 | Robert Calvert | Freq Revisited (CD, Album) | Anagram Records | cdmgram 55 | UK | 1992 |
| cdmgram 55 | Robert Calvert | Freq Revisited (CD, Album, RE) | Anagram Records | cdmgram 55 | UK | 1992 |
| CLEO 9467-2 | Robert Calvert | Freq (CD, RM) | Cleopatra | CLEO 9467-2 | US | 1994 |
| ATOMCD 1001, ATOMCD1001 | Robert Calvert | Freq (CD, RE, RM) | Atomhenge, Atomhenge | ATOMCD 1001, ATOMCD1001 | UK | 2008 |
| IECP-10257 | Robert Calvert | Freq (CD, RE, RM) | WHD Entertainment, Inc., Atomhenge | IECP-10257 | Japan | 2012 |
| TB6225 | Robert Calvert | Freq (12", Album) | Tiger Bay | TB6225 | Europe | 2018 |