| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Empididae of Fennoscandia and Denmark, Part II: General Part. the Families Hybotidae, Atelestidae and Microphoridae | 978-87-87491-07-5 (87-87491-07-9) | 1983 |
| The Empidoidea | 978-90-04-09663-9 (90-04-09663-9) | 1994 |
| The Tachydromiinae Dipt. Empididae of Fennoscandia and Denmark | 978-87-87491-04-4 (87-87491-04-4) | 1975 |