Statistics for occurrence #1 of “Oregon” in chapter 15 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 3:

...ic career, and paying the penalty in his removal from his place at the head of the committee on territories and his rejection by the pro-slavery party as a candidate for the Presidency; Minnesota and Oregon had been added to the sisterhood of States, forever destroying the balance between freedom and slavery in the Senate; the memorable debate in Illinois between Douglas and Lincoln had taken place, in ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Oregon (Oregon, United States) 1,586 6 0 0 0 user votes
Oregon (Illinois, United States) 9 0 1 0 0 user votes
Oregon (Arkansas, United States) 0 0 0 0 0 user votes
Oregon (Kentucky, United States) 0 0 0 0 0 user votes
Oregon (Maryland, United States) 0 0 0 0 0 user votes
Oregon (Mississippi, United States) 0 0 0 0 0 user votes
Oregon (Missouri, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (Ohio, United States) 0 0 0 0 0 user votes
Oregon (Pennsylvania, United States) 0 0 0 0 0 user votes
Oregon (Tennessee, United States) 0 0 0 0 0 user votes
Oregon (Wisconsin, 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.