of text in Gregory can be found in Nicholson, and less than three columns of text in Nicholson can be found in Gregory. This sample then suggests that less than 25% of the text of Gregory found its way into Nicholson, and that of Nicholson's text, less than 15% can be traced to Gregory. Gallery References External links The British Encyclopedia: or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge 6 volumes; London: Printed by C. Whittingham for Longman et al., 1809 Third American Edition of the British Encyclopedia: or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge 12 volumes; Philadelphia: Mitchell, Ames and White, 1819-1821 1809 non-fiction books British encyclopedias English-language encyclopedias Reference works in the public domain 19th-century encyclopedias