Statistics for occurrence #1 of “Northern Virginia” in chapter 6 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...eservation of the same free institutions, for what each believed to be his Constitutional rights. the first step toward reunion was being taken when picket shooting was stopped; and the armies of Northern Virginia and of the Potomac went far beyond that, when encamped on opposite banks of the Rappahannock, near Fredericksburg, during the winter and spring of 1862-63. they chatted, traded tobacco for sugar an...
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