Statistics for occurrence #1 of “Chief Engineer W. P. Williamson” in part 15.56, chapter 15.60 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

... Chief Engineer W. P. Williamson
John M. Brooke, Commander, C. S. N. Early in June, 1861, the Secretary of the Navy of the Confederate States asked me ...
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