kovrilo de "Grammaire et Exercises", 1906
<bdi><a href="https://en.wikipedia.org/wiki/en:Louis_de_Beaufront" class="extiw" title="w:en:Louis de Beaufront"><span title="influence in the development of Ido (1855-1935)">Louis de Beaufront</span></a>
</bdi>
Scan from the original work