Map of the fighting around Katia, in the Sinai, on 23 April 1916. The map shows the position of the 5th Yeomanry Brigade and the Turkish attack that took place around 05:30 h
H. S. Gullett <br>
<a rel="nofollow" class="external text" href="https://www.awm.gov.au/collection/RCDIG1069572/"><i>The Australian Imperial Force in Sinai and Palestine, 1914–1918</i></a>, Volume VII of the Official History of Australia in the War of 1914–1918