Research Code Key
[E] Explanation [O] Opinion [W] Website [R] Further Research [Q] Quotation [U] Useful [!] Critical
[X] Exhibition [T] Timeline [I] Important [>] Indent
[P] Photograph [B] Book To Read

[W] http://www.umbertoeco.com/en/semiotics-links.html

A guide to useful Semiotic resources contains lots of links to many resources