Commander William R. Sayles, United States Naval Attaché in Paris, to the Office of Naval Intelligence
<Cablegram, April 4, 1918.>
From: Naval Attache Paris
6039 French official figures tonnage sunk March first to March fifteenth inclusive<:> North sea, ten thousand one hundred eleven<;> channel twenty thousand seven hundred sixty-six<;> Atlantic sixty-six zero thirty-seven<;> Mediterranean fifty-eight zero sixty-six<;> total one hundred fifty-eight thousand nine hundred eighty-eight by submarine xxxx ten thousand two by mine. 18404.
Source Note: Cy, DNA, RG 45, Entry 517B. The date is handwritten but is confirmed by the date stamp just before the signature. Sims’ signature means that this cable was sent to Washington via Sims’ headquarters in London.