The Union Catalog of
Pre-1600 Books Online - a collection of resources from all over the
world. Links to cookbooks, legal documents, letters, more.
Project Gutenberg - Another
collection of original sources, most Victorian but some going back to
Roman and earlier times.
Internet Archive - A
collection of both PDF and .TXT of original primary sources.
Netserf - One of the original
places to find just about everything under the sun related to early
history through the Renaissance.
of Alessandra Strozzi, compiled by Cesare Guasti. Why yes, they are in
A Book of
Cookrye - An HTML transcription of the 1591 English cookbook.
A Forme of Cury - The
original 14th-century English cookbook.
Renaissance Food Homepage - Large link collection.
arte coquinaria - By Maestro Martino, Renaissance Italian cookbook.
It's in Italian, but don't let that stop you from ogling "pasta with pine
nuts" and the less savory-sounding veal brains.
Glossary - Won't teach you Italian, but very useful!
Italian/English Dictionary - amazing collection of links and original
works to help transcribers. Searchable too, with this link
Various texts from
all around Europe, plus links to lots others.