| title | ISBN-13 | year of publication |
|---|---|---|
| Dumpling and His Wife: New Views of the Genus Conophytum | 978-0-9539326-1-0 | 2002 |
| Lithops: Treasures of the Veld: Treasures of Loveliness | 978-0-902099-59-3 | 1999 |
| Lithops: Treasures of The Veld: Treasures of Loveliness | 978-0-902099-64-7 | 1999 |
| The Genus Conophytum: A Conograph | 978-0-620-17633-0 | 1993 |
S H · Stefan Hammer · Stefan Heimer · Stefan Heiner · Stefan Hinner · Stefan Hyner · Stefanie Hammer · Steffen Hehner · Stephan Hammer · Stephan Humer · Stéphane Henry · Stephanie Hammer · Stephanie Hanor · Stéphanie Honoré · Stephen Hanauer · Stephen Hymer · Steven A Hammer · Steven Henry · Steven Homer · Stevens Henry
British Cactus & Succulent Society · EAE Creative Colour Ltd · Various small imprints