HeadingCalvert, Matthias 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. — Not found in DNB nor NUC nor SouthSea nor CSO
Imprint SourcesT076885: his Extracts of letters received by Captain Calvert, 1770?