Statistics for occurrence #1 of “Fort Pickens” in page 79 of John G. Nicolay, The Outbreak of Rebellion:

...pool. In addition to the six or seven thousand rebel troops assembled at Charleston to aid in the reduction of Sumter, and the four or five thousand sent to Pensacola to undertake the capture of Fort Pickens , Jefferson Davis' Secretary of War had, in anticipation of the results of the bombardment, on the 8th of April called upon the seceded States for a contingent of 20,000, to which there was again, on ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fort Pickens (Florida, United States) 2,050 21 38 1 0 user votes

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