The Aberdeen Bestiary, a manuscript, written and illuminated in England around 1200, contains notes, sketches and other evidence of the way it was designed and executed. Translation and transcript of original Latin.
An extensive set of collections of public domain and copy-permitted historical texts, maps, and articles maintained by a history professor at Fordham University.
WESS Medieval and Renaissance Web provides access to scholarly resources for Western Middle Ages and the Renaissance. It includes vendor information for commercial products, as well as access to free sites.