Statistics for occurrence #1 of “General Johnston” in chapter 8 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...ts and Alexandria, if not too strongly fortified and garrisoned, which would have the effect of recalling all the enemy's forces from northern Virginia, for the protection of Washington. But should General Johnston be unable to unite his forces with mine, then he ought to be instructed to retreat at the proper time towards Richmond, through the valley of Virginia, checking the enemy wherever and whenever he can...
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