Statistics for occurrence #1 of “Doc” in year 1861, month July, day 19 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

... Brevet Second--Lieutenants Clarence Derrick, James P. Parker, and Frank A. Reynolds, (having tendered their resignations in face of the enemy) were dismissed from the service of the United States.--( Doc . 105.) To-day the Virginia Legislature, in session at Wheeling, adopted the following resolutions: Resolved, That the Governor be and is here-by requested to apply to the President of the U...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Doc 6,842 2,810 2 0 0 user votes
N. Y. Doc 1,108 0 0 0 0 user votes
Y. S. M. Doc 78 0 0 0 0 user votes
London Doc 4 0 0 0 0 user votes

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