Statistics for occurrence #1 of “Gen. Sumner” in chapter 26 of Elias Nason, McClellan's Own Story: the war for the union, the soldiers who fought it, the civilians who directed it, and his relations to them.:

... late at night. Between twelve and one o'clock at night Gen. Heintzelman commenced to withdraw his corps, and soon after daylight both of his divisions, with Gen. Slocum's division and a portion of Gen. Sumner 's command, reached Malvern Hill. On the morning of the 30th Gen. Sumner, in obedience to orders, had moved promptly to Glendale, and upon a call from Gen. Franklin for reinforcements sent him two...
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