Shell keep (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Shell keep" in Portuguese language version.

refsWebsite
Global rank Portuguese rank
3rd place
6th place
low place
low place

books.google.com

  • Pettifer 2002, p. 7. Pettifer, Adrian (2002). English Castles: A Guide by Counties illustrated ed. [S.l.]: Boydell & Brewer. p. 7. ISBN 0-85115-782-3 
  • Darvill, Stamper & Timby 2002, p. 196. Darvill, Timothy; Stamper, Paul; Timby, Jane (2002). England: an Oxford archaeological guide to sites from earliest times to AD 1600 illustrated ed. [S.l.]: Oxford University Press. p. 196. ISBN 0-19-284101-7 

castlestudiesgroup.org.uk