Statistics for occurrence #1 of “R. A. Williams” in chapter 38 of Admiral David D. Porter, The Naval History of the Civil War.:

...neers: Chief, Mortimer Kellogg; Assistants, H. S. Davids, H. C. McIlvaine, Edwin Wells, H. W. Scott, Edmund Lincoln and N. P. Towne; Boatswain, John Marley; Acting-Gunner, C. A. Stevenson; Carpenter, R. A. Williams ; Sailmaker, J. H. North. Commander, J. C. Williamson; Acting-Assistant Surgeon, G. B. Higginbotham; Acting-Assistant Paymaster, W. C. Cook; Acting-Masters, T. Durham, S. B. Rathbone, G. V. C...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
R. A. Williams 11 4 1 0 0 user votes
R. A. Williamson 4 0 0 0 0 user votes

† 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.