Letters from Henry James Tudor to his brother, William Tudor,

One letter written to Tudor from Ligorno, Italy, criticizes the contents his correspondence as containing a "dull, vapid succession of sentences"; it also contains a message to their mother regarding his extensive travels in Europe. One letter written from New Orleans addresses their brother Frederic’s health, and his ice business in Cuba and the West Indies.

Letters from William Tudor to his brother, John Henry Tudor,

One letter written from Rotterdam describing Tudor’s difficult voyage at sea, and one letter written from London addressing John’s plans after college, in which Tudor quotes Voltaire.

Letter from Frederic Tudor to his brother, John Henry Tudor,

Letter facetiously addressed to "Juan."

Letters from William Tudor to Henry Knox,

Two letters requesting General Knox’s removal from the Tudor family residence at Franklin Place.

Letter from Henry Ware to William Tudor,

One letter notifying Tudor Harvard's chapter of Phi Beta Kappa had selected him to deliver an oration.

Letters from Henry Warren to William Tudor,

Two letters providing information and historical sources on James Otis.

Letter from Henry Boit to William Tudor,

One letter regarding Boit’s business enterprises.

Letter from Henry Higginson to William Tudor,

One letter from the Boston merchant in England regarding experiments in ship construction and Frederic Tudor’s ideas on designing sailing vessels to transport ice.

Letter from Henry Pierpont to William Tudor,

One letter regarding an inquiry from Tudor.

Letters from Thomas & Henry Lynch & Co. to William Tudor,

Four letters regarding a shipment of fish, and market for flour and wheat. Includes one duplicate letter, and two bills of lading.