Statistics for occurrence #1 of “Halleck” in chapter 27 of Elias Nason, McClellan's Own Story: the war for the union, the soldiers who fought it, the civilians who directed it, and his relations to them.:

...and confess that I am very tired and very much disgusted. I fear that I am very mad, and think I have a perfect right to be so . . . Every day convinces me more and more that it is the intention of Halleck and the government to drive me off, and I begin to feel that I cannot preserve my self-respect and remain in the service much longer. I think the crisis will soon arrive . . . Returned a...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† H. W. Halleck 5,082 555 120 5 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 0 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.