Letter from Wallace's mother, Mary Anne Wallace, to her friend Miss Draper concerning her financial misfortune following the bankruptcy of an executor of her father's will, dated August 1835.
Letter from Herbert Edward Wallace (Wallace's brother) to his mother and sister Fanny about collecting animals to pay his debts and plans for returning home, dated August, probably 1850.
Letter from Henry Walter Bates to Wallace's mother informing her that her son Edward had died in Pará, Brazil dated June 1851.
Letter from Wallace to his brother John in California, praising Darwin's book, humorously replying to a request for silkworm eggs and sending new photographs, dated January 1863.
Letter from Wallace to his brother John in California, giving financial details about their mother's will and family legacy, dated May 1869.
Letter from Wallace to his sister Fanny announcing the birth of his son William, dated December 1872.
Letter from Wallace to his wife Annie about having a boil 'mesmerised' by a spiritualist, lecturing on spiritualism and the beauty of Californian forests, dated July 1887.
Letter from Wallace to his daughter Violet describing moving house to Parkeston in Dorset, dated June 1889.
Letter from Wallace to his son William describing work done on the garden pond and giving advice on the best drawing instruments to buy, dated November 1891.
Letter from Wallace to his daughter Violet discussing the ferns in the garden and asking about her job, dated October 1893.
Letter from Wallace to his daughter Violet asking about her visit to a 'club for work-girls' and discussing plans for Christmas presents, dated November 1893.
Letter from Wallace to his daughter Violet about, letting 'Nutwood' Cottage, his brother's cancer and sending insect specimens, dated November 1894
Letter from Wallace to his wife Annie describing a séance where he was photographed with a spirit, dated June 1895.
Letter from Wallace to his son William giving advice on how to trap small animals whilst on a trip to America, December 1898.
Letter from Wallace to his daughter Violet quizzing her about her hosts in Germany and commenting on the recent Vaccination Bill, dated August 1898.
Letter from Wallace to his daughter Violet giving advice on writing magazine articles on German schools and suggesting sights to see in Dresden, dated September 1898.
Letter from Wallace to his daughter Violet describing buying land in Broadstone in Dorset, on which to build a house, dated October 1901.