Sigrid-B Martin
Books
- Taking German further
- German in Three Months (Hugo's Simplified System)
- A German Reader
- German in three months
- Taking German Further
- German (Hugo in Three Months)
- German
- German
- German in Three Months
- German in Three Months (Hugo)
- German in Three Months Book and CD
- Advanced German course
- German (Hugo Advanced Language Course)
Author data: Open Library