ΕπικεφαλίδαClarke, John, of Grantham χρησιμοποιείται σε: British Library: English Short Title Catalogue - AACR2 Heading, London (United Kingdom); British Library: English Short Title Catalogue - GK Heading, London (United Kingdom)
Πηγές
Βρίσκεται σεGK55. — NUC=Clarke, John, of Grantham. — ECBB=Clarke, John, of Grantham . — Not found in DNB
Πηγές για την έκδοσηT114429: his The rational spelling-book, 1791 tp=By John Clarke