Piłka rowerowa (1913)
Unknown author<span style="display: none;">Unknown author</span>
"Nowości Illustrowane" 38/1913 (<a rel="nofollow" class="external free" href="https://jbc.bj.uj.edu.pl/publication/127075">https://jbc.bj.uj.edu.pl/publication/127075</a>)