Statistics for occurrence #1 of “Mr. Haven” in chapter 14, page 186 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...ollar, a conveyance, dated Sept. 20, 1808, of the reversionary right to all the estate which was set off to Mary Lechmere, which had been held for him since Oct. 14, 1799, by his friend and kinsman, Mr. Haven . The actual value of the property was much enhanced by the privilege to erect a bridge, and to make the other improvements authorized by the General Court. But the apparent inflation of value was...
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