The Central Library Resources Council
The Dom Mocquereau Fund
The Plainsong and Medieval Music Society
The Association for Recorded Sound Collections
A US dealer in chant facsimiles http://www.omifacsimiles.com
Electronic cataloging of Latin manuscripts http://www.erwin-rauner.de
Database of chant melodies and texts http://www.globalchant.org
Indices of liturgical Office chants http://cantus.uwaterloo.ca
Recordings of medieval music http://www.medieval.org/emfaq
Recordings of Eastern and Western chant http://www.liturgica.com
IMS study group for chant href="http://www.cantusplanus.org
Research toward a critical edition of chant http://www.aiscgre.de
Church Music Association of America http://www.musicasacra.com
Medieval Institute of U. of Notre Dame http://www.nd.edu/~medinst
A repertory of Gregorian chants http://www.gregorien.info
Plainsong and Medieval Music Society http://www.plainsong.org.uk
Record archivists and discographers http://www.arsc-audio.org
Society of St. Gregory, New Haven, Conn. http://www.saint-gregory.org/recordings-publications
Gregorian Institute of Canada http://www.gregorian.ca
Data pool for chant research http://www.uni-regensburg.de/Fakultaeten/phil_Fak_I/Musikwissenschaft/cantus/index.htm
To order Richard Crocker CDs: rgcrocker AT comcast DOT net (restore normal reading of e-mail address)
The Central Library Resources Council
The Dom Mocquereau Fund
The Plainsong and Medieval Music Society
The Association for Recorded Sound Collections