Statistics for occurrence #1 of “Boston, Mass.” in entry shurtleff-nathaniel-bradstreet of Harper's Encyclopedia of United States History:

...text="ptext" xmlns="http://www.w3.org/TR/xhtml1/strict"> Author; born in Boston, Mass., June 29, 1810; graduated at Harvard College in 1831, and at its Medical Department in 1834; was mayor of Boston, Mass. , in 1868-70. He was the author of ; ; ; , etc. He died in Boston, Mass., Oct. 17, 1874.
...
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.