Statistics for occurrence #1 of “P. H. Hendrickson” in chapter 33 of Admiral David D. Porter, The Naval History of the Civil War.:

...nsigns, W. F. Reading and G. F. Morse; Acting-Master's Mates, J. H. Wainwright, A. R. Bashford, John Brown and G. H. French; Engineers: Second-Assistant, L. J. Allen; Third-Assistants, C. P. Gardner, P. H. Hendrickson , John Lloyd and J. W. Boynton. Commander, Thomas H. Patterson; Acting-Assistant Surgeon, R. N. Atwood; Acting-Assistant Paymaster, W. W. T. Greenway; Acting-Master, R. O. Patterson; Acting-E...
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