Prime Minister of Australia Sir Robert Menzies and Prime Minister of the United Kingdom Sir Winston Churchill at 10 Downing Street during World War Two in 1941.
<a href="https://en.wikipedia.org/wiki/en:National_Library_of_Australia" class="extiw" title="w:en:National Library of Australia">National Library of Australia</a>
<a rel="nofollow" class="external free" href="http://nla.gov.au/nla.obj-137388175">http://nla.gov.au/nla.obj-137388175</a>