C.H. · Christian Harteis · Christian Hartig · Christiane Hartweg · Christine Hartig · Christopher Hardaker
Cornelsen · Oxford University Press
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Let's Go 4 | 978-3-06-804521-3 | 2007 | Ritsuko Nakata · Karen Frazier | |
| Let's Go 4: Workbook: Workbook Level 4 | 978-0-19-439456-7 | 2007 | Ritsuko Nakata · Karen Frazier · Barbara Hoskins | |
| Let's Go 5 | 978-3-06-804530-5 | 2007 | Ritsuko Nakata · Karen Frazier | |
| Let's Go 5: Skills Book with Audio CD Pack: Skills Book with Audio CD Pack Level 5 | 978-0-19-439465-9 | 2007 | Ritsuko Nakatan · Karen Frazier · Barbara Hoskins | |
| Let's Go 5: Workbook: Workbook Level 5 | 978-0-19-439457-4 | 2007 | Ritsuko Nakata · Karen Frazier · Barbara Hoskins |