Statistics for occurrence #1 of “R. Jones” in chapter 12 of Admiral David D. Porter, The Naval History of the Civil War.:

...e; both boilers and engines were very defective, and the vessel was not capable of making more than five knots an hour. Another able officer, formerly of the United States Navy, Lieut. Catesby ap R. Jones , had charge of the preparation of the Merrimac's armament, and to his skill was due the efficiency of her battery. It consisted of two seven-inch rifles, re-enforced with three-inch steel bands shr...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
R. Jones 71 4 3 0 0 user votes
D. R. Jones 1,301 0 97 0 0 user votes
J. R. Jones 227 0 35 0 0 user votes
David R. Jones 89 0 7 0 0 user votes
John R. Jones 43 0 11 0 0 user votes
Catesby Ap R. Jones 31 9 13 1 0 user votes
Ap R. Jones 26 0 0 0 0 user votes
W. R. Jones 26 0 2 0 0 user votes
Beverley R. Jones 20 0 0 0 0 user votes
William R. Jones 20 0 0 0 0 user votes
A. R. Jones 15 2 1 0 0 user votes
Catesby Ap. R. Jones 12 0 4 0 0 user votes
Retry R. Jones 8 0 0 0 0 user votes
James R. Jones 7 0 1 0 0 user votes
D. R. Joneses 7 0 1 0 0 user votes
C. R. Jones 6 2 0 0 0 user votes
E. R. Jones 6 0 2 0 0 user votes
R. R. Jones 5 0 1 0 0 user votes
W. A. R. Jones 5 0 1 0 0 user votes
Beverly R. Jones 4 0 0 0 0 user votes
Edward R. Jones 4 0 0 0 0 user votes
S. R. Jones 4 0 0 0 0 user votes
C. Ap. R. Jones 3 0 1 0 0 user votes
L. R. Jones 3 0 1 0 0 user votes
U. R. Jones 3 0 1 0 0 user votes
Cawley R. Jones 2 0 0 0 0 user votes
Charles R. Jones 2 0 0 0 0 user votes
H. R. Jones 2 0 0 0 0 user votes
Henry R. Jones 2 0 0 0 0 user votes
Joseph R. Jones 2 0 2 0 0 user votes
Seamen W. R. Jones 2 0 0 0 0 user votes
Sergeant J. R. Jones 2 0 0 0 0 user votes
Steward J. R. Jones 2 0 0 0 0 user votes
T. R. Jones 2 0 0 0 0 user votes
V. R. Jones 2 0 0 0 0 user votes
Willis R. Jones 2 0 0 0 0 user votes
Wm R. Jones 2 0 0 0 0 user votes
Catesby A. R. Jones 1 0 1 0 0 user votes
Jr. Jones 1 0 1 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.