<bdi><a href="https://www.wikidata.org/wiki/Q113553101" class="extiw" title="d:Q113553101">Umesh Chandra Sengupta</a>
</bdi>
<a href="//archive.org/details/bub_man_44dc05f8285f0de54ebee8cc295fd9b4" class="extiw" title="iarchive:bub man 44dc05f8285f0de54ebee8cc295fd9b4">Internet Archive identifier</a>