Fonds consists of an album of autograph letters and signatures, including letters both to and from Nichols. Correspondents include John Temple (26 November 1821) and Charles Burney Jr. (5 January 1809). Also represented in the fonds are Nichols's children John Bowyer Nichols (1779-1863) and John Gough Nichols (1806-1873), including a letter to John Gough Nichols from Sir Henry Ellis (2 December 1842).