Still Rapacious and Destructive

Recovered from a battered volume in the Archive's collection is the following index of names, places, and curious references connected to a notorious nineteenth-century account. Gather the scattered fragments by locating each entry in the grid.

Words may appear horizontally, vertically, or diagonally, and may be read forwards or backwards. Once all entries have been found, the remaining letters, read from left to right and top to bottom, will reveal a passage from the source itself.