| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2014 | 978-0-9928288-0-6 | Hetas Ltd | The Official Guide to Hetas Approved Products & Services 2014 (Flagship Annual Technical Directory of Solid Fuel Burning Appliances and Ancillary Equipment) |
| 2015 | 978-0-9928288-1-3 | Philip Davis | The Official Guide to Hetas Approved Products & Services List No 21 2015 (Flagship Annual Technical Directory of Solid Fuel Burning Appliances and Ancillary Equipment) |
| 2017 | 978-0-9928288-3-7 | Antonia Russell-Clark | The Hetas Guide to Approved Solid Fuel, Wood and Biomass Products and Services 2017 |