Variationes in divino officio recitando juxta constitutionem apostolicam divino afflatu et motu proprio abhinc duos annos in commodum eorum qui novissimi breviario carent - Roma : Typis Polyglottis Vaticanis , 1914 - 94 p. ; 20 cm. Subjects--Topical Terms: MisalesLibros litúrgicos Universal Decimal Class. No.: 264-12