Letters from William Tudor to Thomas Handasyd Perkins,

Four letters on topics including the capture of an American ship, the General Carrington, at Callao, Peru, and the loss and damage incurred; the movements of Simón Bolívar and the state of the conflicts with Spain; the impact of the war on trade, with details on prices and speculation in goods like foodstuffs and domestic quicksilver; and the "deteriorating" condition of American merchant seamen.

Letter from William Tudor to Thomas Handasyd Perkins,

One letter in which Tudor writes of his relief at the acquittal of his brother-in-law Charles Stewart at a court martial. He also discusses speculation and trade, his shares in silver mines at Bella Vista and Chanca, Peru, and the political climate. He additionally references his role in planning the monument at Bunker Hill in Charlestown, writing, "I had something to do in originating and preparing the way for the Bunker Hill monunument, a truly patriotic object, which I believed was a proper way to excite public enthusiasm."

Letter from John Belknap to William Tudor,

One letter in which Belknap declines Tudor’s offer to partner in business speculation.

Letters from Strobel & Martini to William Tudor,

Four letters regarding prices current, the impact of tensions between England and France on speculation, and market demands for items like cocoa, cochineal, and codfish.