http://anonymous-shakespeare.com
The Oxford Authorship Site by Nina Green
This is a praise worthy collection of important sources and documents (Gabriel Harvey, Thomas Nashe, Robert Green, Martin Marprelate, Oxford’s Letters etc.) – Ms Green's claim that Oxford wrote all of the literature of the 16th C. does however seem to be somewhat exaggerated.
Shakespeare Authorship Sourcebook by Mark Alexander
Elizabethan Authors Home Page In Memory of Robert S. Brazil
A collection of the writings of the most important Elizabethan authors: Drama, Anonymous Plays, Satire, Poetry, Fiction and Novels, supplemented by studies into the question of authorship.
The Shakespeare Fellowship
The De Vere Society
The Shakespeare Oxford Society
SHAKE-SPEARE-today
SHAKE-SPEARE today is the web site of the German New Shake-speare Society featuring articles from Robert Detobel, Hanno Wember