POTHIER
1883 (Liber Gradualis) 
Pothier 1895 (Liber Gradualis)
SCHWANN 1953 (edition of the Vaticana with editorial signs affecting the morae)
MOCQUEREAU 1921 Liber Usualis (edition of the Vaticana with Mocquereau's rhythmic signs)
DR. X. MATHIAS 1912 (edition of the Vaticana in modern notation)
A.Noh (1940's edition of Vaticana with dots marking the morae)
Pothier 1895 (Liber Gradualis)
SCHWANN 1953 (edition of the Vaticana with editorial signs affecting the morae)
MOCQUEREAU 1921 Liber Usualis (edition of the Vaticana with Mocquereau's rhythmic signs)
DR. X. MATHIAS 1912 (edition of the Vaticana in modern notation)
A.Noh (1940's edition of Vaticana with dots marking the morae)
