RWD-2 Edwarda Więckowskiego podczas próby startu w zawodach Challenge w 1930, 5-7 sierpnia 1930
Unknown author<span style="display: none;">Unknown author</span>
1930-08
<bdi><a href="https://en.wikipedia.org/wiki/en:National_Library_of_Poland" class="extiw" title="w:en:National Library of Poland"><span title="national library">National Library of Poland</span></a>
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