| Titel | ISBN-13 (ISBN-10)  | Erschei- nungsjahr  | andere Autoren | 
|---|---|---|---|
| A Decade of Research on School Principals: Cases from 24 Countries | 978-3-319-23026-9 (3-319-23026-3)  | 2015 | Christopher Day · Olof Johansson | 
| Educational Authorities and the Schools: Organisation and Impact in 20 States | 978-3-030-38758-7 (3-030-38758-5)  | 2020 | Olof Johansson |