Statistics for occurrence #1 of “Shakespeare” in entry davenant-sir-william of Harper's Encyclopedia of United States History:

...England, where the life of Sir William was spared, it is believed, by the intervention of John Milton, the poet, who was Cromwell's Latin secretary. Sir William had a strong personal resemblance to Shakespeare , and it was currently believed that he was a natural son of the great dramatist. This idea Sir William encouraged. He died in April, 1668.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Shakespeare 928 50 0 0 0 user votes
William Shakespeare 88 0 0 0 0 user votes
Harvard Shakespeare 4 0 0 0 0 user votes
John Shakespeare 2 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.