HeadingColbert, Jun. 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=Colbert, Jun., pseud.. — Not found in DNB
Imprint SourcesT116419: his The age of paper ... bubbles, 1795 tp=By Colbert, Jun.