| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| A History of Niger 1850-1960 | Paperback | 978-0-521-10139-4 | 2009 |
| A History of Niger 1850-1960 | Hardcover | 978-0-521-25268-3 | 1983 |
| Norwegian Missions in African History: Volume 2: Madagascar | " | 978-82-00-07415-1 | 1987 |
| Slave Traders by Invitation: West Africa's Slave Coast in the Precolonial Era | " | 978-0-19-087610-4 | 2018 |
| The Ambiguities of History: The Problem of Ethnocentrism in Historical Writing | Paperback | 978-82-7477-204-5 | 2005 |
Cambridge University Press · Fagbokforlaget · Oxford University Press · Universitetsforlaget