Reasons Against introducing the movements by threes with the Portuguese Cavalry, unless an entire new system is introduced, and that they had time to have their horses broke, and the officers properly instructed.
Manuscript memorandum by William Warre, nd.
From a collection of 566 papers of Lt Gen Sir William Warre (1784-1853) relating to his military career, 1807-1851.
Associated with Peninsular War (1808-1814).

Reasons Against introducing the movements by threes with the Portuguese Cavalry, unless an entire new system is introduced, and that they had time to have their horses broke, and the officers properly instructed.