Commanders of <a href="https://en.wikipedia.org/wiki/Armenian_volunteer_units" class="extiw" title="en:Armenian volunteer units">Armenian volunteer units</a> of <a href="https://en.wikipedia.org/wiki/world_War_I" class="extiw" title="en:world War I">World War I</a>: Keri, <a href="https://en.wikipedia.org/wiki/Hamazasp_Srvandztyan" class="extiw" title="en:Hamazasp Srvandztyan">Hamazasp</a>, <a href="https://en.wikipedia.org/wiki/Sargis_Mehrabyan" class="extiw" title="en:Sargis Mehrabyan">Vartan</a>
Garegin Pasdermadjian, Aram Torossian
Published in 1918 by Hairenik Pub. Co.
Why Armenia Should Be Free: Armenia's Role In The Present War (1918). page 20