Autoría es exactamente
Helm, Heinrich (O.F.M.
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Homiliae in Evangelia Dominicalia ..
Helm, Heinrich (O.F.M.1556 -
Homiliae in euangelia dominicalia, à festo...
Helm, Heinrich (O.F.M.1556/1557 -
Homiliarum F. Henrici Helmesii ... In Epistolas...
Helm, Heinrich (O.F.M.1557