Statistics for occurrence #1 of “Porto Rico” in entry civil-service-united-states-colonial of Harper's Encyclopedia of United States History:

...lection must show every one that the simple form of growth which has expanded the United States from the Alleghanies to the Pacific cannot be extended to our recent acquisitions. Neither Cuba nor Porto Rico is likely ever to be populated by English-speaking Americans. Our ideas, no doubt, will pervade these islands to some extent, but that their civilization will cease to be Spanish is highly improbab...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Porto Rico 596 366 0 0 0 user votes
Porto Rico (Angola) 0 0 0 0 0 user votes
Porto Rico (West Virginia, 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.