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

...K. Walsh; Acting-Assistant Paymaster, J. S. Mallary; Acting-Master, D. E. Taylor; Acting-Ensigns, H. G. Marcy, Wm. Young, G. W. Williams and E. D. Pettingill; Acting-Master's Mates, Isaac Hallock and H. C. Robertson ; Engineers: Acting-First-Assistant, B. F. Beckett; Acting-Second-Assistant, F. E. Porter; Acting-Third-Assistants, D. J. Lanahan, J. H. Hopkins, Wm. Ellis, W. A. Steinrook and Wm. McComb; Acting-Gunn...
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