Letter from William Abbot to William Tudor,

One letter from Tudor’s Phi Beta Kappa brother thanking him for a visit to Rockwood and commenting on the deportment of his sisters, as well as the progress his brother John was making at Harvard.

Letter from William Boyd to William Tudor,

One letter outlining plans for the funeral of their Harvard classmate, John Russell.

Letters from Thomas Handasyd Perkins to William Tudor,

Four letters in which Perkins relays details of his travels in Europe, local gossip about friends and associates, including John Quincy Adams and Daniel Webster, news regarding developments in Boston infrastructure, and updates on the Boston Athenaeum and the Anthology Society. Other topics include domestics politics and the movements and activities of Tudor’s family members.

Letters from Nathaniel Amory to William Tudor,

Four letters from the Boston merchant relaying news about mutual friends and associates, including John Quincy Adams, details about Amory’s real estate losses, and thoughts on Yankee sea captains.

Letters from William Lee to William Tudor,

Five letters in which Lee relays his efforts to obtain a political appointment for Tudor from President James Monroe. He also reports on the activities of Tudor’s brother-in-law, Charles Stewart, and a meeting between John Quincy Adams and Tudor’s brother-in-law, Robert Hallowell Gardiner.

Letter from William Tudor to Mr. Reeves,

One letter concerning an English legal manuscript, probably John Reeves’ History of the English Law.

Letters from Giovanni Batista Sartori to William Tudor,

Two letters, signed John B. Sartori, the founder of the first spaghetti factory in the United States, regarding the production and sales of pasta.

Letters from Strobel & Martini to William Tudor,

Four letters regarding market demand for items like sugar and coffee, and prices current. Two letters include duplicate correspondence from Gothard Martini and John A. Morton, whose firm Martini joined after Strobel & Martini apparently dissolved.

Letters from James Biddle to William Tudor,

Five letters in which Biddle discusses politics, the movements of other naval officers, and general news of friends and associates, including John Quincy Adams. In one letter he asks Tudor to use his influence to persuade the Brazilian government to release captured American seamen.

Letters from Stephen Cassin to William Tudor,

One letter inquiring about Commodore John Orde Creighton, whom Cassin was replacing as commander of the naval squadron off the coast of Brazil. One letter asking Tudor’s advice on what action to take in regard to an altercation between two Americans and a Brazilian naval officer.

Letters from Alfred Cobb to William Tudor,

Six letters reporting on communications with American merchants and naval officers, and various incidents involving American vessels. He also comments on the election of John Quincy Adams as president. Cobb includes copies of his correspodence with Lieutenant John Percival regarding the interception of Percival’s ship by Chilean Admiral Manuel Blanco Encalada.

Letters from Alfred Cobb to William Tudor,

Six letters, including copies of correspondence with Lieutenant John Percival and other officials regarding a demand for a "forced contribution" of one thousand dollars to a South American military officer. Also includes a letter and report on the condition of United States commerce in South America. Two letters are in Spanish.

Letters from John Taylor,

Two letters regarding placement of a Chinese cook with Tudor, and a future visit.

Letter from Levi Lincoln, Jr., to William Tudor,

One letter of complaint against Commodore John Creighton by Lincoln, a midshipman.

Letters from Charles Loring to William Tudor,

Three letters regarding the legal dispute between John Dorr and the Peruvian government over the condemnation of Dorr’s ship, Esther. Loring was the attorney for the defendant, Paschal Pope. Tudor was authorized to depose witnesses in his capacity as United States consul.