Statistics for occurrence #1 of “Halleck” in chapter 143 of Rebellion Record: a Diary of American Events: Poetry and Incidents., Volume 8.:

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Rosecrans to Halleck .--The following letter explains itself: headquarters Department of the Cumberland, Murfrefsboro, Tenn., March 6, 1863. Major-General H. W. Halleck, General-in-Chief U. S. A., Washington, D. C....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
H. W. Halleck 5,082 3 120 1 0 user votes
Halleck 1,974 0 538 0 0 user votes
Henry W. Halleck 1,400 0 40 0 0 user votes
Henry Wager Halleck 533 0 15 0 0 user votes
Fitz-Greene Halleck 100 2 0 0 0 user votes
W. H. Halleck 94 0 4 0 0 user votes
Gen Halleck 34 0 0 0 0 user votes
Butler Halleck 27 0 1 0 0 user votes
M. G. Halleck 20 0 0 0 0 user votes
Joseph Halleck 9 0 3 0 0 user votes
Gens Halleck 8 0 0 0 0 user votes
A. J. Halleck 7 0 1 0 0 user votes
Benjamin Buel Halleck 6 0 0 0 0 user votes
Fitz-Green Halleck 4 0 0 0 0 user votes
Genenal Halleck 4 0 0 0 0 user votes
Isaac Halleck 4 0 0 0 0 user votes
W. Halleck 4 0 0 0 0 user votes
Charles Halleck 2 0 0 0 0 user votes
Ebenezer Halleck 2 0 0 0 0 user votes
George Halleck 2 0 0 0 0 user votes
Major-Gen Halleck 2 0 0 0 0 user votes
H. Wager Halleck 1 0 1 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.