Statistics for occurrence #1 of “Arlington Heights, Va.” in chapter 21 of John G. Nicolay, The Outbreak of Rebellion:

...ns, 35; his reply to President Lincoln's letter, 58; his reply to Confederate authorities, 61, 131, 135 Annapolis, 100, 102 et seq.; route by, to the capital, 106 et seq. Arkansas, 80, 121 Arlington Heights, Va. , occupied by Union forces, 110; fortified, 169 Ashby's Gap, 168 Baker, Edward D., 76 Ball's Bluff, engagement at, 210 Baltimore, 83; attack on the Massachusetts soldiers in, 85 ...
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