1. Archivo General de Indias (AGI). Audiencia de Lima, Leg. 34. Indiferente, Leg. 1874.
2. Archivo General de Simancas (AGS). Secretaría de Estado: Negociaciones con Inglaterra, Leg. 3963 and Leg. 3971.
3. British Library (BL), Sloane 46B.
4. A Defence of the Scots Settlement at Darien. With an Answer to the Spanish Memorial Against It and Arguments to Prove That It Is the Interest of England to Join with the Scots to Protect It. 1699. Edinburgh: s.n.
5. A Letter, Giving a Description of the Isthmus of Darian (Where the Scot's Colonie Is Settled;) from a Gentleman Who Lives There at Present. 1699. Edinburgh: s.n.