Statistics for occurrence #1 of “Johnson's Island” in chapter 15 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 8: Soldier Life and Secret Service.:

...onfederate soldiers, so that in case of capture they would not be treated as spies. Nevertheless, the information they carried was usually put into cipher. Shaw was finally captured and sent to Johnson's Island . The command of the famous scouts devolved upon Alexander Gregg, who continued to sign despatches C. E. Coleman, and the Federal authorities never knew that the original leader of the daring band w...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Johnson's Island (Ohio, United States) 590 8 12 0 0 user votes
Johnson's Island (Illinois, United States) 2 0 0 0 0 user votes
Johnson's Island (Florida, United States) 0 0 0 0 0 user votes
Johnson's Island (Michigan, United States) 0 0 0 0 0 user votes
Johnson's Island (North Carolina, United States) 0 0 0 0 0 user votes
Johnson's Island (Tennessee, United States) 0 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.