Studio photograph of Joseph Henry Slater (29 November 1888 – 3 May 1917) prior to his embarkation with the First AIF
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="https://recordsearch.naa.gov.au/SearchNRetrieve/NAAMedia/ViewPDF.aspx?B=32519429&amp;D=D">https://recordsearch.naa.gov.au/SearchNRetrieve/NAAMedia/ViewPDF.aspx?B=32519429&amp;D=D</a>  (National Archives of Australia)