Letter from John Lowell to William Tudor,

One letter regarding a report from Tudor’s brother, Frederic, on piracy, and Lowell’s thoughts on the North American Review and domestic politics.

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 William Tudor to William Vaughan,

One letter containing a brief history of the ice company business and William Tudor’s and Frederic Tudor’s ideas for the enterprise.

Letters to Frederic Tudor,

One letter from Charles Edwards, and three undated letters from Amos Minuet, regarding business.