@book{UBHD-1042878, author={Clayton, Michael}, title={The collector's dictionary of the silver and gold of Great Britain and North America}, publisher={Country Life}, address={London [u.a.]}, year={1971}, pages={350 S.}, language={eng}, isbn={0-600-43063-4 and 978-0-600-43063-6}, library={UB [Signatur: 72 C 429]}, }