Statistics for occurrence #1 of “Mr. Robert M. Mason” in chapter 18, page 340 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...f trustees one hundred thousand dollars, towards the founding and endowing of an Episcopal Theological School in Cambridge, which school was opened in the autumn of the same year. In the year 1869, Mr. Robert M. Mason [of Boston], completed and presented to the Trustees the beautiful edifice of St. John's Memorial Chapel, as a free church for the permanent use of the students of the school, and of the congregation...
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