Letter from Governor Basil Cochrane to the Duke of Atholl reporting on island affairs including the calendar style change (Old Style to New Style dating), property exchanges, tree removal, revenue receipts, and weather damage. Contains references to the ongoing dispute with the Earl of Derby and confirmation of Atholl's lordship claim in 1751.

Letter from Governor Basil Cochrane to the Duke of Atholl reporting on administrative matters including the change of dating style (Old Style to New Style calendar), the legal dispute with the Earl of Derby, property exchange negotiations with George Moor, maintenance decisions regarding trees at the Governor's house in Castletown, and financial/weather reports. Provides insights into local governance, property management, and the Duke's consolidating control over the island.

Three letters from Governor Cochrane to the Duke of Atholl (September–November 1758) discussing Cochrane's absence from the Isle of Man, appointments of Deemster Taubman and the Receiver General as deputies, family business requiring his attention, and correspondence with Mr Hamersley regarding administrative matters. Provides insight into the governance structure and administrative correspondence during the Atholl period.

Personal and administrative letter from Governor Basil Cochrane to the Duke of Atholl dated October 1763, discussing Deemster Taubman's succession following his uncle's death, eligibility criteria for judicial appointments (particularly the rule excluding merchants), and governance procedures regarding Lord's Council consultation. Also includes personal matters regarding a dog and a carriage.

Letter from Governor Basil Cochrane to the Duke of Atholl dated 26 October 1763, written from Edinburgh. The letter discusses personal matters (a gift dog and chase/carriage), but more significantly addresses the appointment of young Taubman as Deemster following his uncle's death. Cochrane raises constitutional objections to Taubman's appointment, citing Governor Murray's standing rule that merchants should not serve as Deemsters or in the Lord's Council, and questions whether the Governor consulted the Lords Council on the appointment.

Letter from former Governor Cochrane (Edinburgh, 2 July 1762) to John Taubman regarding the succession to the office of Deemster following Taubman's predecessor. Cochrane declines to use his influence with the Lord of Mann, asserting that the current Governor is the proper channel for such matters. Reveals constitutional practice and governance hierarchy on the Isle of Man in the pre-Revestment period.

A letter from Governor Cochrane (former Governor of the Isle of Man) to John Taubman, declining to advocate for Taubman's appointment as Deemster following Deemster Taubman's retirement. Cochrane asserts that only the current Governor should advise the Lord (the Duke of Atholl) on Manx affairs. The letter reflects constitutional principles of governance hierarchy and the separation of authority in 1760s Manx administration.

Official report from Governor Basil Cochrane to the Duke of Atholl covering Island governance, coinage matters, smuggling concerns, naturalization disputes, ecclesiastical appointments, and legal appeals. Provides insight into early 18th-century Manx administration, tensions between merchant families (Moores), and the Governor's authority under the Duke's proprietorship.

Report from Governor Basil Cochrane to the Duke of Atholl detailing administrative matters on the Isle of Man, including audit completion, fortification work at Ramsey, clergy financial dealings, herring fishery prospects, and personnel changes at Peel. Provides insight into governance, revenue management, and infrastructure development before the 1765 Revestment.

Letter from Governor Basil Cochrane to the Duke of Atholl reporting on monetary transfers, merchant shipping between Gothenburg and the Isle of Man, and trading activity with Liverpool. References Captain Lace's commercial intentions and Cochrane's proposed travel to Scotland. Provides insight into early-1760s Manx governance, commerce, and the Duke's direct oversight.

A letter from Governor Basil Cochrane to the Duke of Atholl reporting on monetary transfers, shipping activities, and trade between Liverpool and the Isle of Man. Discusses the arrival of ships from Gothenburg and mentions an honest trader (Captain Lace) willing to continue commerce with the island. Cochrane requests permission to travel to Scotland in May.

Governor Basil Cochrane reports to the Duke of Atholl on the resolution of disputes involving John Clarke and his wife, Major Christian's death, and a warren matter. The letter discusses a petition forwarded by Mr Stevenson to London and criticises Stevenson's influence on Clarke's complaints. This provides administrative insight into Isle of Man governance and local disputes during Atholl's proprietorship, pre-dating the Revestment by 13 years.

Governor Basil Cochrane reports to the Duke of Atholl on a dispute involving John Clarke, Major Christian, and a Mr. Stevenson regarding a warren matter. The letter indicates Clarke has been discharged and Cochrane is providing documentation and a response to a petition, noting Stevenson's encouragement of Clarke's complaints and his controversial reputation locally.

Letter from Governor Basil Cochrane to the Duke of Atholl reporting on disputes with merchant George Moore over land encroachment in Douglas, cargo discharge procedures at Peel, and customs enforcement. Discusses brandy cargoes, harbour capacity, officer conduct, and the need for Keys' consent on harbour improvements. Provides insight into governance, revenue protection, and merchant relations on the Isle of Man in the pre-Revestment period.

Report from Governor Basil Cochrane to the Duke of Atholl (5 May 1758) detailing proposed improvements to Douglas Harbour including a bridge, and requests for timber and cannon for rebuilding the forts at Douglas and Ramsey. Reflects pre-Revestment administrative governance and military infrastructure priorities on the Isle of Man.

Governor Basil Cochrane reports to the Duke of Atholl on the state of Douglas Harbour, including harbour improvements and planned defence work. The letter discusses a proposed bridge over the Douglas River, the need for merchant storage facilities, and plans to rebuild the forts at Douglas and Ramsey. Cochrane addresses challenges in sourcing timber and cannon, with reference to the Tower of London and ordnance officials.

A letter from Governor Basil Cochrane to the Duke of Atholl reporting on financial remittances to Liverpool, the backlog of appeals pending the Duke's decision, and recommending reform of the appeal process by establishing commissioners on the Isle of Man to hear minor cases locally rather than sending all appeals to London.

Governor Basil Cochrane reports to the Duke of Atholl on revenue collection (£1500 remitted via Captain Lace), merchant credit arrangements, and personnel matters including the replacement of Captain Murray due to alcoholism. The report demonstrates the administrative challenges of governing the Isle of Man and managing revenue extraction during the pre-Revestment period.

Report from Governor Basil Cochrane to the Duke of Atholl addressing delayed revenue remittances due to naval enforcement activities (tenders and cutters), poor weather, and merchant hardship. Discusses outstanding debts, expected payments, and personal financial matters including funds from the late Mr Mylrea's estate and payments to Colonel (now Sir) John Stuart.

Report from Governor Basil Cochrane to the Duke of Atholl covering administrative matters including remittances to Liverpool (£525), disputes over land claims by Irish gentlemen, ecclesiastical affairs involving the Bishop and tithes, and naturalisation questions. Provides insight into governance, commercial operations, and religious policy on the Isle of Man mid-18th century.

Report from Governor Basil Cochrane to the Duke of Atholl detailing financial transactions, the arrival of ships with rum, a legal dispute over debt priority between native Manx and foreign merchants, and recommendations for naturalizing foreign traders to encourage commerce. The letter illustrates tensions between native and foreign commercial interests on the island and the Duke's prerogative powers.

Report from Governor Basil Cochrane to the Duke of Atholl concerning the audit, clergy salary recoveries (£2658:93.75), and a legal challenge to the herring fishing trade to the West Indies. Cochrane disputes an old Restoration-era Act of Parliament that may prohibit direct export of herrings to the colonies, arguing Manx produce should be freely tradeable to any British plantation.

Report from Governor Basil Cochrane to the Duke of Atholl regarding the sale of tithes in the Isle of Man parishes, management of church property, and administrative disputes. Cochrane reports on negotiations with Lord Derby, his strategy for beginning with Santon parish, and an incident of insult in the Court of Chancery. Directly relevant to understanding pre-Revestment governance and revenue management under Atholl proprietorship.

Report #3 from Governor Basil Cochrane to the Duke of Atholl covering Island administration, shipping losses, French privateering threat (Monsieur Thurot), legal proceedings involving Mr Stevenson and Mr Hammersley, smuggling/contraband tea operations, and emerging claret trade from Bordeaux. Provides insight into revenue collection, trade enforcement challenges, and governance difficulties on the Isle of Man in 1760.

Report from Governor Basil Cochrane to the Duke of Atholl on revenue collection (£1500 remitted), merchant payment timescales, and administrative personnel issues. Discusses the removal of Captain Murray due to chronic alcoholism and proposes Hutcheson as successor. Demonstrates operational governance and financial management of the Isle of Man under ducal sovereignty pre-Revestment.