Antoni Roman, Henri Gelissen (siedzą), Oskar Schmidt Na Targach Poznańskich 1937
Unknown author<span style="display: none;">Unknown author</span>
"Kurier Poranny" Nr 134 / 1937 (<a rel="nofollow" class="external free" href="https://crispa.uw.edu.pl/object/files/118884">https://crispa.uw.edu.pl/object/files/118884</a>)