‘Perhaps the most elaborate French treatise on arithmetic published in the 16th century’
Six Autograph Letters to William Mure 1763-1776 Together with the only surviving record of a letter Hume wrote to his friend the Rev John Home about the death of William Mure.
David Hume said of William Mure he "was the oldest and best friend I had in the World"
Autograph Letter to Hutches Trower 1823
A lost letter from David Ricardo to his frequent correspondent Hutches Trower