Prize Essay ... Religious Knowledge Among the Poor, Not Less Important in 1850 Than in 1750 by J. Blackburn Blackburn, John Heftet / 2018 / Engelsk
Overland Traveller, or Guide to Persons Proceeding to Europe Via the Red Sea, from India. [With Maps.] Blackburn, John Heftet / 2011 / Engelsk
Top 6000 Companies in North East England Companies with assets exceeding £750,000 Blackburn, John D Heftet / 2018 / Engelsk
Top 6000 Companies in Wales Companies with assets exceeding £850,000 Blackburn, John D Heftet / 2018 / Engelsk
Top 8000 Companies in The United Kingdom Companies with assets exceeding £240,000,000 Blackburn, John D Heftet / 2018 / Engelsk
Top 6000 Companies in North West England Companies with assets exceeding £6,500,000 Blackburn, John D Heftet / 2018 / Engelsk
