Correspondence sent to John Derby:

Record of Derby's purchase of brass seal and engraving from W. V. Heming.

Receipt of shares purchased [by Derby], with pencil note added by him 'let his be a warning to all who would dabble in stocks and shares J. D.'.

Letter from [E. J.] Craig.

Letter from [C. Wandlow].

Invitation to the Meeting of the Committee of the Sheffield Mechanic's Library, from E. Hebblethwaite, Secretary.

Letter from John Williams.

Letter from Mr. [Banks].

Letter from [George William] asking for information about the history of the People's College, 28 February 1850.

Letter from [George William] thanking Derby for essay of information about the history of the People's College, 6 March 1850.

Letter inviting Derby to a meeting with 'the Deacons in the School Room on Friday evening', from Joseph [Slater?], 6 April 1850.