John Codman Ropes,
The Campaign of Waterloo: A Military History
“ He had directed three divisions on Nivelles,—all his reserves to a point on the Charleroi-Brussels pike from which they could easily be moved to Nivelles,—and his more westerly divisions to Enghien and Braine-le-Comte, in the direction of Nivelles. Among the troops thus directed on Nivelles were some that had been stationed at Genappe and Quatre Bras. He had in fact ordered his army to concentrate at Nivelles ”
