Christian,
You may find the following article of interest:
A Reappraisal of Column Versus Line in the Peninsular War, James R. Arnold, The Journal of Military History, Society for Military History, Volume 68, Number 2, April 2004
pp. 535-552.
There is a version on this website: https://www.napoleon-series.org/military/organization/maida/c_maida.html.
Best wishes
A