Statistics for occurrence #1 of “J. K. Barker” in chapter 41 of Admiral David D. Porter, The Naval History of the Civil War.:

...hird-Assistants, C. S. Servoss and R. D. Faron; Carpenter, John Mills. Commander, William F. Spicer; Acting-Master, F. W. Strong; Acting-Ensigns, S. H. Mead, Jr., E. A. Small, S. K. Luce and J. K. Barker ; Acting-Master's Mates, J. S. Bradbury, R. S. Sheperd and F. U. Northup; Acting-Assistant Surgeon, L. C. Granger; Acting-Assistant Paymaster, J. C. Canning; Engineers: Acting-First-Assistant, G. B. O...
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