Large ressource site. Oktober 2006 http://www.medieval.org/emfaq/

The Sorbonne has put on line more than 800 carved images of music and musicians in music stalls of the 15th and 16th centuries Oktober 2014 http://plm.paris-sorbonne.fr/musicastallis/index.php

Large Database for the motet repertoire from 1475-1600. November 2006 http://www.arts.ufl.edu/motet/

This site assembles all chansons of the so called Loire Chansonniers except Nivelle. Extremely useful, all chansons with indices leading to the facsimile source! Juli 2009 http://www.undoulxregard.org/mellon/mellon.html

Extensive ensemble of Latin texts of music theory online. Oktober 2006 http://www.chmtl.indiana.edu/tml/start.html

Ronald Woodley has started to put the important theoretical works of Johannes Tinctoris online. You may follow the original Text with annotations and translations. Currently there is one item online, […]

An absolutely astounding internet tool composed of 17 contemporary dictionairies and sources, albeit in French… Oktober 2009 http://www.lexilogos.com/francais_dictionnaire_ancien.htm#moyen

Extensive description of sources with secondary literature. Still rather rare instances of online facsimiles, but very promising for the future. Dezember 2008 https://www.diamm.ac.uk/authors/527/

This is a very useful short introduction for reading mensural music by Ted Dumitrescu Juni 2010 http://www.cmme.org/misc/refsheet.pdf

Very useful repertory with sources for over 900 chansons. Dezember 2008 http://ricercar.cesr.univ-tours.fr/3-programmes/basechanson/03231-0.htm