Administrative Divisions of the <a href="https://en.wikipedia.org/wiki/Insular_Government_of_the_Philippine_Islands" class="extiw" title="en:Insular Government of the Philippine Islands">Philippine Islands</a> in 1908.
<a href="//commons.wikimedia.org/wiki/User:Baselle" title="User:Baselle">Baselle</a>
CC BY-SA 4.0
<a rel="nofollow" class="external autonumber" href="https://www.loc.gov/resource/g8060.ct003965/?r=-0.126,0.161,1,1.466,0">[1]</a>