Statistics for occurrence #1 of “J. G. Rosling” in chapter 46 of Admiral David D. Porter, The Naval History of the Civil War.:

... O. F. Stanton; Assistant-Surgeon, L. M. Lyon; Acting-Assistant Paymaster, A. B. Robinson; Acting-Master, W. P. Gibbs; Acting-Ensigns, C. V. Rummell, G. M. Bogart and H. Crosby; Acting-Master's Mate, J. G. Rosling ; Engineers: First-Assistant, John Johnson; Third-Assistants, John Everding, F. E. Hosmer, C. O. Farciot and S. A. Appold. Lieutenant-Commander, Wm. H. Dana; Acting-Assistant Surgeon, J. E. P...
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J. G. Rosling 4 4 0 0 0 user votes

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