Statistics for occurrence #1 of “the Prince John Casimir” in entry new-sweden-founding-of of Harper's Encyclopedia of United States History:

...of the following year, 1627, when the estates of the realm gave their assent, and confirmed the measure. Those who took part in this company were: His Majesty's mother, the Queen Dowager Christina, the Prince John Casimir , the Royal Council, the most distinguished of the nobility, the highest officers of the army, the bishops and other clergymen, together with the burgomasters and aldermen of the cities, as well as a ...
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