I hope this "universi" file is what you're looking for. The "liber320" file is the source of that graphic… that is, it's Page 320 from the Liber Usualis. (Note that it's actually page 466 of the PDF file.)
That seems good but the Triplex edition is what is being sought.
Here's a routine reminder: Avoid flames: critique principles, not people. Be discriminating but don't nitpick. Be academic not acerbic. Be principled not polemical.
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