Города-призраки: По свидетельству древних географов. www.ap22.ru [online]. [cit. 2020-12-05]. Dostupné online.
archive.org
E. Goldsmid (ed.), The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation, collected by Richard Hakluyt, Preacher, Vol. III: North-Eastern Europe and Adjacent Countries, Part II: The Muscovy Company and the North-Eastern Passage (E. & G. Goldsmid, Edinburgh 1886), pp. 101-112.
ZINS, Henryk. England and the Baltic in the Elizabethan Era. Manchester: [s.n.], 1972. 778 s. Dostupné online. S. 35.
charitycommission.gov.uk
register-of-charities.charitycommission.gov.uk
About the register of charities. register-of-charities.charitycommission.gov.uk [online]. [cit. 2020-12-06]. Dostupné online.
