Statistics for occurrence #1 of “Great Britain” in chapter 1.53 of Southern Historical Society Papers, Volume 35.:

.... James M. Mason, Commissioner, or Minister, from the Confederacy to England. The Confederacy had never been recognized, and Mr. Mason was not by the Queen regarded as an official, yet there was in Great Britain a great deal of sympathy for the Southern Cause. In this way Mr. Mason was given entree to the highest circles, and so was Colonel Gibbes during his visit.
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Great Britain (United Kingdom) 242 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.