... figures. Group the people interestingly. I have seen as many as thirty individuals in a drawing, no two of whom seemed to be acquainted,—a very unhappy condition of affairs even from a purely pictorial point of view. Do not over-emphasize the base of a building by stringing all the figures along the sidewalks. The lines of the curbs would thus confine and frame them in unpleasantly. Break the continuity of the street lines with figures or carriages in the roadway, as in Fig. ... — Pen Drawing - An Illustrated Treatise • Charles Maginnis