Battlefield of Monte Cassino, Italy 1944 (sketch made for the 2nd Polish Corps HQ before the battle)
Unknown author<span style="display: none;">Unknown author</span>
1944-03
Melchior Wańkowicz: <i>Szkice spod Monte Cassino</i>, Wiedza Powszechna, Warszawa 1982, <a href="//commons.wikimedia.org/wiki/Special:BookSources/83-214-0213-5" title="Special:BookSources/83-214-0213-5">ISBN 83-214-0213-5</a>.