His An abridgement of Johnson's Typographia, 1828.
DNB (Johnson, John; printer; b. 1777; d. 1848)
MWA/NAIP files (hdg.: Johnson, J. (John), 1777-1848; usage: J. Johnson; Johnson)
CERL thesaurus (database) 21 April 2020: Johnson, John 1777-1848; born in Chester, died 17 February 1848 in Holborn; printer (citation, Oxford DNB)) https://data.cerl.org/thesaurus/cnp00956045
British Book Trade Index (database) 21 April 2020: (Johnson & Co., John; London; St James's St. Clerkenwell; 10 Brook St, Holborn; printer, printer (copperplate), publisher; 1817-1848; was at Lee Priory, Kent, 1813-1817)