Operator countries of the <a href="https://en.wikipedia.org/wiki/PZL.37" class="extiw" title="en:PZL.37">PZL.37</a> bomber aircraft.
Self-made based on <a href="//commons.wikimedia.org/wiki/File:BlankMap-World_1937.png" class="mw-redirect" title="File:BlankMap-World 1937.png">File:BlankMap-World 1937.png</a>.
<a href="//commons.wikimedia.org/wiki/User:Hierakares" title="User:Hierakares">Hierakares</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>