Invitation for the Astronomer Royal to sit on the Committee for the Antwerp International Exhibition, 1894, and his letter declining the offer, 1893.
Invitation to the Astronomer Royal to become a judge at the Chicago Exhibition of 1893.
Correspondence of 1894-1895 concerning the Imperial Institute Exhibition of Photography, 1895.
Papers concerning the Astronomical Society of Wales Exhibition, 1896.
Papers concerning the proposed erection of the 'Great Terrestrial Globe', 1896.
Papers concerning exhibitions in 1896: Glasgow Photographic, Lord Kelvin Jubilee, Berlin Amateur Photographic and the Woolwich University Extension Association.
Papers concerning exhibitions in 1897: Victoria Loan Exhibition and the Royal Meteorological Society.
Papers concerning exhibitions in 1898: the Royal Photographic Society and the Salvation Army Exhibition.
Papers concerning the Royal Photographic Society Exhibition of 1900.
Papers concerning the Naval and Military Exhibition of 1901.