| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-0-9521461-0-0 | Henry F. Oakeley | Lycaste Species: The Essential Guide |
| 2008 | 978-0-9521461-1-7 | '' | Lycaste, Ida and Anguloa: The Essential Guide |
| 2011 | 978-0-9521461-4-8 | Henry Oakeley & Guido Braem | Paphiopedilum Species - the Essential Guide |