Flying Fortress over the Monte Cassino
Unknown author<span style="display: none;">Unknown author</span>
1944-02-15
Mathew Parker: <i>Monte Cassino</i>, Poznań, Rebis 2005, <a href="//commons.wikimedia.org/wiki/Special:BookSources/83-7301-615-5" title="Special:BookSources/83-7301-615-5">ISBN 83-7301-615-5</a>.