Statistics for occurrence #1 of “Capt. R. E. Roberts” in chapter 15, page 153 of Col. J. Stoddard Johnston, Confederate Military History, a library of Confederate States Military History: Volume 9.1, Kentucky:

...ol. R. P. Trabue; Sixth Kentucky, Col. J. H. Lewis; Ninth Kentucky, Col. T. H. Hunt; Cobb's Kentucky battery, Capt. Robert Cobb, Graves' Kentucky battery, Capt J. J. Ingram; Kentucky cavalry company, Capt. R. E. Roberts . General Buckner's division consisted of four brigades, commanded by Generals Liddell, Cleburne, Bushrod R. Johnson and Wood. Of the cavalry is given as among
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.