Statistics for occurrence #1 of “Boston Harbor” in chapter 22, page 106 of Historic leaves, volume 2, April, 1903 - January, 1904:

...ext="ptext" xmlns="http://www.w3.org/TR/xhtml1/strict"> Canterbury, England16 Carlisle, Mass.52 Carr, Florence E.10 Carr, Martin L.22 Carter, John40 Carter, Sarah (Stowers)40 Castle William, Boston Harbor 58, 59 Central Fire Station, Somerville42 Central Hill, Somerville2 Central Street, Somerville42 Charles, Duke of Orleans10 Charles River55, 86 Charlestown, Mass.78, 80 Charlestown, Bounds of15...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Boston Harbor (Massachusetts, United States) 627 4 1 0 0 user votes
Boston Harbor (New Hampshire, United States) 0 0 0 0 0 user votes
Boston Harbor (Washington, United States) 0 0 0 0 0 user votes
Boston Harbor (Washington, 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.