Partnership agreements; memorandum and articles of association; directors’ reports and accounts; correspondence and papers relating to Thor Thoresen Linje; correspondence and papers relating to merger with Powell Duffryn; financial records; steamer regulations; house flag; voyage books; freight books; employment records; photographs; lists of men and ships lost in 1914-1918 and 1939-1945 wars; papers relating to history of company and Robertson family.