Poster for the <a href="https://en.wikipedia.org/wiki/Soviet_Census_(1937)" class="extiw" title="en:Soviet Census (1937)">en:Soviet Census (1937)</a>
Unknown author<span style="display: none;">Unknown author</span>
before 6 January 1937
<a rel="nofollow" class="external free" href="http://demoscope.ru/weekly/2007/0271/arxiv01.php">http://demoscope.ru/weekly/2007/0271/arxiv01.php</a>