HeadingWitherby, Thomas used in: British Library: English Short Title Catalogue - AACR2 Heading, London (United Kingdom); British Library: English Short Title Catalogue - GK Heading, London (United Kingdom)
Sources
Found inGK55. — NUC=Witherby, Thomas, d. 1830. — Not found in DNB
Imprint SourcesT139497: his Observations on Mr. Bicheno's book, 1800 dedn sg=Thomas Witherby