Submarine Braves Icy Waters of Baltic - The British submarine E19, when it arrived back in port, covered with ice after one of the most thrilling adventures of the war. With the thermometer hovering around zero, the under-sea craft forced its way through the ice floes in the Baltic and sank a German destroyer (On 7 November 1915 E19 sank the German light cruiser SMS Undine)
Omaha daily bee
<a rel="nofollow" class="external text" href="http://chroniclingamerica.loc.gov/lccn/sn99021999/1916-02-16/ed-1/seq-1/">Omaha daily bee., February 16, 1916, Front Page</a>