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Keywords from Image Description:
Gaudete. The first page of Gaudete in the original version of the Piae Cantiones Gaudetekappaleen ensimminen sivu alkuperisess Piae Cantioneslaitoksessa Cropped from doria fi part of Piae cantiones ecclesiasticae et scholasticae veterum episcoporum in incluto Regno Sueciae passim usurpate nu per studio cuiusdam Reverendis se Ecclesia