Re-worked for better margins, fonts, etc. Also, accent marks on any lyric in Latin (also done in Psalm 151 and in Alleluias and Gospel Acclamations).
Some of these also match with certain propers within certain Masses. The liturgical calendar links on the sidebar will help find if there are any matches.
Some tunes are completely original, while some are based on chant themes (namely those chant melodies given to the propers in the Graduale Romanum).