| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1980 | 978-0-7111-0001-5 | Ennis Otter | Buxted Poultry Cook Book (Harmony class) |
| 1987 | 978-0-7111-0013-8 | Lyric Books Ltd | The Harmony Guide to Knitting Stitches: v. 1 |
| '' | 978-0-7111-0028-2 | James Walters · Sylvia Cosh | "Harmony" Guide to Crochet Stitches |
| '' | 978-0-7111-0033-6 | Lyric Books Ltd | "Harmony" Guide to Knitting Stitches: v. 2 |
| 1995 | 978-0-7111-0044-2 | David Moeller | "Harmony" Guide to Aran and Fairisle Knitting ("Harmony" Compilations) |
| 1988 | 978-0-7111-0063-3 | Unknown | "Harmony" Guide to Machine Knitting Stitches |
| 1990 | 978-0-7111-0064-0 | Unknown | "Harmony" Guide to Knitting Techniques |
| 1989 | 978-0-7111-0065-7 | Compiled By Barbara Devaney | "Harmony" Guide to Colourful Machine Knitting (Harmony guides) |
| 1991 | 978-0-7111-0070-1 | The Harmony Guide to Aran Knitting | |
| 1990 | 978-0-7111-0071-8 | Barbara Devaney LBL | "Harmony" Guide to Knitting Stitches: v. 3 |
| 1992 | 978-0-7111-0073-2 | Beryl Kempner | "Harmony" Guide to 100's More Crochet Stitches (Harmony guides) |