Statistics for occurrence #1 of “President Lincoln” in page 198 of John D. Billings, Hardtack and Coffee: The Unwritten Story of Army Life:

... arrived at. The Union army, then under McClellan, had been driven from before Richmond in the disastrous Peninsular campaign, and now the Rebel army, under General Lee, was marching on Washington. President Lincoln had issued a call for three
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President Lincoln 164 0 6 0 0 user votes

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