Statistics for occurrence #1 of “Assistant Surgeon, John H. Clark” in chapter 20 of Admiral David D. Porter, The Naval History of the Civil War.:
...sistant Engineer, David Fraser.
Acting-Master, George Wiggin. Acting-Second-Assistant Engineer George L. Harris.
Acting-Master, O B. Warren. Acting-Third-Assistant Engineer, Samuel Robinson.
Assistant Surgeon, John H. Clark . Acting-Master's Mate, F. G. Lowe.
Assistant Surgeon, Wm. B. Gibson. Acting-Master's Mate, S. H. Johnson.
Assistant Surgeon, W. F. Terry. Acting-Master's Mate, Oscar Peck.
† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.