Statistics for occurrence #1 of “Osterhaus” in chapter 18, page 440 of Horace Greeley, The American Conflict: A History of the Great Rebellion in the United States of America, 1860-65: its Causes, Incidents, and Results: Intended to exhibit especially its moral and political phases with the drift and progress of American opinion respecting human slavery from 1776 to the close of the War for the Union. Volume II.:

... and capturing guns, munitions, wagons, &c. By this time, the bridge was finished, and Hooker's force all over: so Hooker undertook, as ordered, to clear Mission ridge, on his left, of the enemy: Osterhaus moving eastward of the ridge, Geary on the west of it, and Cruft directly upon it, the batteries
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
P. J. Osterhaus 410 51 12 1 0 user votes
Osterhaus 354 0 84 0 0 user votes
Peter J. Osterhaus 266 0 14 0 0 user votes
B. J. Osterhaus 104 0 2 0 0 user votes
P. I. Osterhaus 51 0 1 0 0 user votes
Peter Joseph Osterhaus 30 0 0 0 0 user votes
P. Joseph Osterhaus 22 0 2 0 0 user votes
Major-Generals Osterhaus 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.