Phoa Keng Hek, one of the founders of the Tiong Hoa Hwe Koan social organisation.
Uncredited, group publication
Photo: circa  1900<br>Scan: 2013
<p>Earlier source: <cite class="book" style="font-style:normal">Nio Joe Lan (1940)    (in indonesian)  <i> Riwajat 40 Taon dari Tiong Hoa Hwe Koan Batavia (1900-1939)</i>, <a href="https://en.wikipedia.org/wiki/en:Batavia,_Dutch_East_Indies" class="extiw" title="w:en:Batavia, Dutch East Indies"><span title="capital of the Dutch East Indies (1621...1942), now the city of Jakarta">Batavia</span></a>:  Tiong Hoa Hwe Koan, p. 3  <small><a href="https://en.wikipedia.org/wiki/Online_Computer_Library_Center" class="extiw" title="en:Online Computer Library Center">OCLC</a>:   <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/31965688">31965688</a>. </small></cite><br></p>
This image: <cite class="book" style="font-style:normal">(in indonesian) (2008) <i> Tionghoa dalam Pusaran Politik</i>, <a href="https://en.wikipedia.org/wiki/en:Jakarta" class="extiw" title="w:en:Jakarta"><span title="capital city and smallest province of Indonesia">Jakarta</span></a>:  TransMedia Pustaka, p. 322  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-979-96887-4-3" title="Special:BookSources/978-979-96887-4-3">978-979-96887-4-3</a>. </small></cite>