Constable took trouble over The Hay Wain. He made a small sketch in oils and a full size sketch in oils. The former lives at The Yale Center and the latter in the V&A. Actually he did this for all his big landscapes.
“Honoré-Victorin Daumier was a French painter, sculptor, and printmaker, whose many works offer commentary on the social and political life in France, from the Revolution of 1830 to the fall of the second Napoleonic Empire in 1870.” (Wikipedia)