Navanadha Charitra of 15th century poet Gaurana found in Archives; uploaded to be used in Telugu wikisource.
Gaurana of 15th century
<a rel="nofollow" class="external free" href="https://archive.org/details/in.ernet.dli.2015.391125/mode/2up">https://archive.org/details/in.ernet.dli.2015.391125/mode/2up</a>