"E. K." · E.T Kool · Eric T. Kool
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Finnish Frequency Dictionary for Learners - Practical Vocabulary: Top 10000 Finnish Words | 978-1-9764-2572-1 (1-9764-2572-7) | 2017 | Mostusedwords |
| Swedish Frequency Dictionary For Learners: Practical Vocabulary - Top 10000 Swedish Words | 978-1-9763-3925-7 (1-9763-3925-1) | 2017 | MostUsedWords |