Statistics for occurrence #1 of “Dec” in page 333 of Emilio, Luis F., History of the Fifty-Fourth Regiment of Massachusetts Volunteer Infantry , 1863-1865:

... Paul, Minn. James, Garth Wilkinson; Captain Co. C. 21 Jly 45 New York; single; student; Concord. 1st Lt and Adjutant 23 Mch 63, must. 24 Apl. Resigned 30 Jan 64 account of wounds. 1st Lt 3 Dec 64 must. 14 Dec; Capt 30 Mch
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Nov Dec 390 390 0 0 0 user votes
Dec 638 0 6 0 0 user votes
M. O. Dec 26 0 0 0 0 user votes
John O. Dec 2 0 0 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.