Statistics for occurrence #1 of “Pennsylvania” in chapter 6, page 146 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...9374,882 New Jersey67,5008,1291,18576,8145,754 New Mexico6,5616,561277 New York409,56135,1644,125448,85046,534 North Carolina3,1563,156360 Ohio304,8143,2745,092313,18035,475 Oregon1,8101,81045 Pennsylvania 315,01714,3078,612337,93633,183 Rhode Island19,5211,8781,83723,2361,321 Tennessee31,09231,0928,777 Texas1,9651,965151 Vermont32,54961912033,2885,224 Virginia42 Washington Territory96413396422 W...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 26 2 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.