Statistics for occurrence #1 of “Harper's Ferry” in chapter 20 of Francis Jackson Garrison, William Lloyd Garrison, 1805-1879; the story of his life told by his children: volume 3:

...ing of Union-savers ex-President Fillmore, in the fortnight succeeding the hanging of John Brown. It was the historic truth; and the work of Nemesis had but begun. Directly after the attack on Harper's Ferry , the South initiated disunion by fortifying itself against domestic insurrection, both by extra vigilance and armed police, by legislative measures to force its free negro population back into slave...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 17 304 1 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.