The fonds consists of a microfilm copy of several letters from Charles and Richard Mann in England to their brother Horatio in Philadelphia re. family, religion and business matters, 1820-1828, Horatio Mann's journal of a vist to Prince Edward Island, 4 August to 9 October 1840, and a photocopy of Horatio Mann's will, 23 November 1843. The journal describes Mann's stay with the Popes in Bedeque including an account of the launching of the vessel "Dahlia" as well as a description of his holdings and visits with tenants. It also affords a look into the social life in Charlottetown including an account of dinner at Government House and an evening aboard the "Ringdove".