Statistics for occurrence #1 of “Burnside” in chapter 20 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

...t that he reached, and making fun of his attempts by erecting great signboards within their lines, visible to the Federal army, inscribed, This way to Richmond. This movement is known in history as Burnside 's Mud Campaign.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Burnside 5,961 149 671 1 0 user votes
A. E. Burnside 3,412 0 44 0 0 user votes
Ambrose E. Burnside 2,260 0 34 0 0 user votes
Ambrose Everett Burnside 416 0 16 0 0 user votes
Gen Burnside 155 0 1 0 0 user votes
Ambrose Burnside 71 0 3 0 0 user votes
Ginral Burnside 36 0 0 0 0 user votes
A. B. Burnside 35 0 1 0 0 user votes
Gen Ambrose Everett Burnside 22 0 0 0 0 user votes
A. M. Burnside 14 0 2 0 0 user votes
Ambrose B. Burnside 14 0 2 0 0 user votes
Elijah Burnside 14 0 0 0 0 user votes
Mine Burnside 12 0 0 0 0 user votes
A. F. Burnside 10 0 0 0 0 user votes
Beaufort Burnside 10 0 0 0 0 user votes
J. P. Burnside 10 0 0 0 0 user votes
S. E. Burnside 10 0 0 0 0 user votes
John Burnside 7 0 1 0 0 user votes
J. O. P. Burnside 4 0 0 0 0 user votes
A. Burnside 2 0 0 0 0 user votes
A. S. Burnside 2 0 0 0 0 user votes
Edmund Burnside 2 0 0 0 0 user votes
Gens Burnside 2 0 0 0 0 user votes
Granny Burnside 2 0 0 0 0 user votes
J. Burnside 2 0 0 0 0 user votes
James Burnside 2 0 0 0 0 user votes
A. G. Burnside 1 0 1 0 0 user votes
J. E. Burnside 1 0 1 0 0 user votes
P. Burnside 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.