Statistics for occurrence #1 of “Senator Henderson” in part 2.13, chapter 2.15 of Henry Morton Stanley, Dorothy Stanley, The Autobiography of Sir Henry Morton Stanley:

... July, Congress met the emergency by the appointment and despatch of a Peace Commission. At its head was General Sherman, with a group of distinguished officers, two chief Indian Commissioners, and Senator Henderson , of Missouri. Sherman, after some very effective speeches to the Indians, left the further work to the other Peace Commissioners, who travelled far and wide over the Plains, for two thousand miles....
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