Mass Propers
Bear Music (Foster) 2014+
English Proper Chants (Ainslie) 2015
Graduale Parvum – Introits (Nicholls) 2018
Graduale Parvum – Principal Feasts (Nichols) 2012
Graduale Romanum / Liber Usualis (Solesmes) 1974+
Graduale Simplex (Solesmes) 1967+
By Flowing Waters – American (Ford) 1999
Simple English Propers – American (Bartlett) 2007
Antiphonaries (Responsorial Psalms)
Bear Music (Foster) 2014+
Easy to Sing Responsorial Psalms (Ed. Mayhew) 2008
Responsorial Psalms: Complete Settings for the Catholic Lectionary (Ed. Mawby) 2004
Sing the Psalms Simply (Ainslie) 2015
The Complete Responsorial Psalter 1997
Music for the Choir (Commercial)
100 Songs for the Young Church Choir (Mayhew) 1999
New Novello Book of Short & Easy Anthems (Ed. Hill) 2014
Oxford Book of Easy Flexible Anthems (Ed. Bullard) 2017
Oxford Book of Flexible Anthems (Ed. Bullard) 2007
Short Anthems for Small Choirs (Mayhew) 2000
Short Anthems for Small Choirs, Book 2 (Mayhew) 2006
Music for the Choir (Free)
Choral Public Domain Library (CPDL) 1998+
The Catholic Choirbook Anthology (Ed. Jones) 2009
Plainchant Libraries and Tools (Free)
GregoBase (Online typesets of many common chants) [Online Resource]
Bloomf (Online Notation editing and automatic selection/setting of Mass texts) [Online Resource]
Plainchant Music Books
Graduale Simplex (Gregorian) [pdf]
Graduale Parvum (Modern Notation) [pdf]
Simple English Propers (Gregorian) [pdf]
Parish Book of Chant (Gregorian) [pdf]
Liber Usualis (Gregorian) [pdf]
Liber Usualis (Modern Notation) [pdf]
Index of many of the main editions of chant books (Gregorian) [Website]
Societies/Organisations
Liturgy Office of England and Wales
Society of Saint Gregory (SSG)