IntestazioneStagg, John Usata in: Bibliothèque nationale de France, Paris
Stagg, John Usata in: British Library: English Short Title Catalogue - AACR2 Heading, London (United Kingdom)
Stagg, John Usata in: Common Library Network (GBV), Göttingen (Germany)
Fonti esterne
Trovato inLC Authorities - http://authorities.loc.gov (2012-10-04). — Bibliotheca Britannica : or A General Index to British and Foreign Literature / by Robert Watt, 1824. — Oxford DNB - Dictionary of National Biography, UK - http://www.oxforddnb.com/view/article/26219 (2012-10-04). — Le vampyre, une légende ? / John William Polidori ; suivi de Lord Ruthwen ou Les vampires / de Charles Nodier ; et précédé de The vampyre / de John Stagg, impr. 2011
Fonti a stampaN035018: his Miscellaneous poems, 1790 tp=By John Stagg