Aleksander Bobkowski w Zakopanem podczas zawodów FIS (1939)
Unknown author<span style="display: none;">Unknown author</span>
"Wschód" 119/1939 (<a rel="nofollow" class="external free" href="https://jbc.bj.uj.edu.pl/publication/922344">https://jbc.bj.uj.edu.pl/publication/922344</a>)