Thomas Rowlandson. Loyal volunteers of London & environs, infantry & cavalry, in their respective uniforms. Representing the whole of the manual, platoon, & funeral exercise, in 87 plates (1799). [2], viii, [92] p., 35 cm. 87 plates B&W only:

http://www.scribd.com/doc/113756546/Loyal-Volunteers-of-London-and-environs-Infantry-Cavalry-in-their-respective-Uniforms-1799

I can view this above work but not download, that there I am not a member at scribd - there the plates are only black and white but with full explanation and other usefull information about the units