I got tired of searching for this chart online:
* * PDF Chart • The Eight Gregorian Psalm Tones
… with examples added!
If you need help with the tricky ones:
* * Psalm Tones Beyond A Doubt
“A much greater source of anxiety to Us is the style of action of those who maintain that liturgical worship should shed its sacred character, who foolishly say we should substitute for sacred items & furnishings ordinary common things in daily use.” —Pope Saint Paul VI (14 Oct 1968)