Yes sir, I am the one writing the Wikipedia article. Burford & McBride's book doesn't seem to account for all the infantry and it doen't list George W. Carter Brigade as part of Walker's Division, yet Netwon mentions Carter's brigade in his report of the Action before Little Rock.

The Division-Defending Little Rock-August 25-Sep.10,1863" by Timothy W Burford & Stephanie McBride.1999