Erwin Muilwijk:

Are you talking about Howie Muir's Chapter in Pen and Sword's book Inside Wellington's Army 1808-1814? If you are, it is Chapter 4, "Order o fBattle: Customary Battle Array in Wellington's Peninsular Army". While he doesn't address the Dutch specifically, he does present the argument that the Battle Array of the British was a custom followed by all the armies of the period with slight variations.

Best Regards, BIll