<i>Dictionary Araucanian-Spanish and Spanish-Araucanian</i>, written by Félix José de Augusta in 1916. First volume includes translations from Mapudungun to Spanish.
<bdi><a href="https://www.wikidata.org/wiki/Q5872311" class="extiw" title="d:Q5872311"><span title="German surgeon and missionary (1860-1935)">Félix José de Augusta</span></a>
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Internet Archive identifier