Statistics for occurrence #1 of “Maryland” in chapter 6 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.:

...9234,834 Indiana193,7481,0781,537196,36326,672 Iowa75,797544076,24213,001 Kansas18,0692,08020,1492,630 Kentucky51,74331423,70375,76010,774 Louisiana5,2245,224945 Maine64,9735,03010470,1079,398 Maryland 33,9953,9258,71846,6382,982 Massachusetts122,78119,9832,966146,73013,942 Michigan85,4794981,38787,36414,753 Minnesota23,913310424,0202,584 Mississippi54554578 Missouri100,6161518,344109,11113,885...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Maryland (Maryland, United States) 18,573 20 3 0 0 user votes
Maryland (Illinois, United States) 0 0 0 0 0 user votes
Maryland (Liberia) 0 0 0 0 0 user votes
Maryland (Louisiana, United States) 0 0 0 0 0 user votes
Maryland (Louisiana, United States) 0 0 0 0 0 user votes
Maryland (Louisiana, United States) 0 0 0 0 0 user votes
Maryland (New Jersey, United States) 0 0 0 0 0 user votes
Maryland (New York, 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.