Published
Volumes
“Nordiske slaver – afrikanske herrer”
(Nordic Slaves – African Masters)
A multi-volume series (pentalogy) in progress
Tyrkerranet
(The Turkish Raid / The Barbary Raid)
On the Nordic slaves in Algiers and Morocco up to 1650.
Fredrikstad, 2021
«Jeg manglede intet uden Friheden.»
(“I lacked nothing but freedom”)
On the Bergen sailor Hans Jochum Schram’s enslavement in Tunisia, 1747–1750.
(Currently under translation into Arabic)
Fredrikstad, 2012
De Fangene i Tyrkiet vedkommende
(Concerning the Captives in Turkey)
Sources on the ransom of Norwegian, Danish, and Icelandic slaves from Algiers, 1635–1636. An annotated source publication.
Fredrikstad, 2021
Forthcoming
Volumes
Kriger med røverstater
(Wars with the Barbary States)
On the Danish-Norwegian breaches of peace with Algiers (1769), Tripoli (1796), and Tunis (1800).
Slavekassen
(The Slave Fund / Ransom Fund)
Covering the period c. 1650–1750.
Et fengsel under jorden
(A Prison Underground)
On the Nordic slaves in Morocco.
Related Publications
Selected Works and Editions
Les correspondances de Ludolf Hammeken
(The Correspondence of Ludolf Hammeken)
The first Danish-Norwegian consul in Algiers (1746–1751). Algiers, 2016. Published by ENAG with support from Statoil Algeria.
«Une Paix et Amitié perpétuelles.»
(“A Perpetual Peace and Friendship”)
On the 1746 peace treaty between Denmark-Norway and the Regency of Algiers. Fredrikstad, 2013. Supported by Statoil and the Norwegian Ministry of Foreign Affairs.
Arabic edition (CNRPAH, 2017); third edition published by ENAG, 2019.
Translated and Annotated Reissues
Dissertation académique traitant brievement de La Maurétanie ou des royames de Fès, de Maroc et d´Alger
(Academic Dissertation on Mauretania and the Kingdoms of Fez, Morocco and Algiers)
Harold Wallerius (1699 / 2010). Edited by TØ; introduction by Joachim Östlund (Lund University).
Mémoire universitaire sur La Piraterie
(Academic Thesis on Piracy)
Magnus Thelaus (1716 / 2010). Edited by TØ; introduction by Joachim Östlund (Lund University).
Niels Moss. Un Norvégien à Alger 1769–72
(Niels Moss. A Norwegian in Algiers 1769–72)
Fredrikstad, 2007. Translated and annotated reissue of Niels Moss’s account. Featured in El Watan and marked by an official letter from President Bouteflika.
Other Publications and Projects
John Seller: «A Mapp of the Citie and Port of Tripoli in Barbary»
(A Map of Tripoli in Barbary)
Facsimile edition (1675), produced in collaboration with Statoil. Distributed in Tripoli.
Norwegian-Libyan Relations Throughout The Ages
Unpublished manuscript (2005), developed with Norsk Hydro; publication prevented by Libyan authorities.
Articles
Nordafrika set med skandinaviske fangers øjne: Nye blikke på ”Barbareskstaterne”
(North Africa Seen Through the Eyes of Scandinavian Captives: New Perspectives on the “Barbary States”)
In Sfinx, No. 2, Copenhagen, 2025, pp. 69–73.
Rasende gesandt ble holdt hen af danskerne
(An Enraged Envoy Delayed by the Danes)
On the Tripolitan envoy Mahmud Aga in Copenhagen, 1757 (in collaboration with Dan H. Andersen). In Historie, Copenhagen, December 2023.
Le conflit des années 1769–1772 entre le Danemark et l’Algérie : une guerre oubliée
(The Conflict of 1769–1772 between Denmark and Algeria: A Forgotten War)
In AROMS, pp. 102–129, Algiers, 2023.
The first printing house in Ottoman Libya
In International Journal of Turkology (No. 7), Heemstede, Holland, 2020.
De Fangene i Tyrkiet vedkommende
(Concerning the Captives in Turkey)
In Bergensposten, No. 2/2019.
The Algerian Revolution in Albert Henrik Mohn’s authorship
In Les amis de la révolution algérienne (1954–1962), pp. 129–136. Houma Editions, Algiers, 2017.
Ved det lukkede arkivs port (I) & (II)
(At the Gate of the Closed Archive I & II)
Searching for sources on Nordic history in Algerian collections. In Nordisk Arkivnyt 1 & 2, 2017.
Fra sømand til slave – Niels Moss’ opplevelser i Algier i årene 1769–1772
(From Sailor to Slave – Niels Moss’s Experiences in Algiers, 1769–1772)
In Søfolk i krig – Maritime History Yearbook, Helsingør, 2014, pp. 73–103.
Den unge Christian’s forlis (i Libya)
(The Wreck of the Young Christian in Libya)
Fredrikstad Museums Yearbook (Mindre Alv), 2010–2011.