Chetnik Josif Protić, active in Macedonia since 1903. Photograph taken in 1903.
Unknown; Serbian Chetnik Organization
<ul><li>Uploaded at <a rel="nofollow" class="external text" href="https://www.facebook.com/196359597179397">Српски Четници</a>. Facebook group "Српски Четници".</li>
<li>Serbian illustrated periodical, Interwar period</li></ul>