NHCP historical marker for the Battle of Sibuyan Sea in Alcantara, Romblon
<a href="//commons.wikimedia.org/w/index.php?title=National_Historical_Commission_of_the_Philippines&amp;action=edit&amp;redlink=1" class="new" title="National Historical Commission of the Philippines (page does not exist)">National Historical Commission of the Philippines</a>
National Registry of Historic Sites and Structures in the Philippines, <a rel="nofollow" class="external free" href="http://nhcphistoricsites.blogspot.com/2014/02/labanan-sa-karagatan-ng-sibuyan.html">http://nhcphistoricsites.blogspot.com/2014/02/labanan-sa-karagatan-ng-sibuyan.html</a>