Some of his despatches to the home government were published in a posthumous volume - Impressions of Spain.
His despatches on this occasion are still extant, and whatever we may think of the cause on which he was engaged, they certainly give a wonderful impression of the zeal and ability with which he discharged his functions.
Home despatches of the French minister, Joseph Fauchet, intercepted by a British man-of-war and sent to the British minister to the United States, accused Randolph of asking for money from France to influence the administration against Great Britain.
It ends, however, with the Union of the crowns in 1603, and though it is based on thorough research in MSS., many documents now available, such as the despatches of Spanish ambassadors to England, were not accessible to the learned author.
The facts may be found in contemporary English despatches printed in the Hamilton papers.