Illustration from: <i>Il Motu proprio pontificio del 22 novembre 1903 sulla Musica sacra</i>
<p><span lang="en">Anonymous</span><span style="display:none">Unknown author</span><br>
Publisher: Mondovì,  Tipografia editrice vescovile<br></p>
Scanning: <a href="//commons.wikimedia.org/wiki/User:Cinnamologus" title="User:Cinnamologus">Cinnamologus</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Cinnamologus" title="User talk:Cinnamologus"><span class="signature-talk">talk</span></a>)
1904<br>File creation: 23 August 2022
<a href="//commons.wikimedia.org/wiki/File:Tra_le_sollecitudini_(Mondov%C3%AC_1904).djvu" title="File:Tra le sollecitudini (Mondovì 1904).djvu">Il Motu proprio pontificio del 22 novembre 1903 sulla Musica sacra</a>, p. 14