R. B · R. Botha · Rudolf P. Botha · Rudolf Philip Botha
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Evolutionary Emergence of Language: Evidence and Inference | Hardcover | 978-0-19-965484-0 | 2013 | Martin Everaert |
| The Cradle of Language | " | 978-0-19-954585-8 | 2009 | Chris Knight |
| The Cradle of Language | Paperback | 978-0-19-954586-5 | 2009 | " |
| The Evolutionary Emergence of Language: Evidence And Inference | " | 978-0-19-965485-7 | 2013 | |
| The Prehistory of Language | Hardcover | 978-0-19-954587-2 | 2009 | Chris Knight |
| The Prehistory of Language | Paperback | 978-0-19-954588-9 | 2009 | " |